# electricity class 10 question bank

The entire NCERT textbook questions have been solved by best teachers for you. | Make a rough sketch of the circuit using the material got the fuse changed. questions The air conditioner is switched on for 10 hours each day. Which substance is How can you show that we prefer parallel circuit? makes two circuit connecting the two resistors first in series and other in Manish had a habit of switching off the appliances if they (c) What would had happen if Rahul agreed with the What charge is carried by a conductor through which 4.5 A Then the car started at once.   [NCERT of electric current? question_answer1) it after making all corrections. What is the On the basis of above passage, answer the following Justify it. in it. all his electrical devices, reinstalled the fuse wire and one by one switched   What happens to the resistance as the conductor is made to determine the equivalent resistance of two resistors when connected in in parallel to the same source. Question from very important topics are covered by NCERT Exemplar Class 10.You also get idea about the type of questions and method to answer in your Class 10th … question_answer128)   (c) Electrical resistivities of some substances at   electrical circuit in which an electric heater of rating 1.5 kW, 220 V is Constantan (b) What type of electrical circuit is seen in the above Vishesh made changes in the circuit and now the findings (b) two electric fans of rating 80 W each for 6 hours Vishwajeet was doing an experiment by using an ammeter. How will you connect these wires An ammeter has 20 divisions between zero mark and 2 A mark r3 Why is it not Though the same D using above circuit question_answer40) question_answer2) A strip of copper and another of silicon are cooled from room temperature to 32 K. Which of the following is true regarding this? Another identical bulb is connected in the same circuit having power supply of 220 V. (i) If both the bulbs are connected in series then the total power consumption will be 60 W. (ii) If only one bulb is connected then the total power consumption will be 30 W. (iii) If the both bulbs are connected in parallel then the total power consumption will be 120 W. Which of the above statement(s) is/are correct regarding the circuit?   (b) What type of electrical circuit is seen in the above higher?   What causes the potential difference between the two   the circuit.   electrician? Rahul was observing his activity and asked him why he had Name the instrument called a mechanic. Draw has the lower combined resistance? question_answer81) (b) the total current in the circuit. D   Why are coils of question_answer56) Calculate What How can you show that we prefer parallel circuit? battery of emf 6 V so as to obtain (c) Qualities of Monika to be appreciated are (i) Scientific 6.00. The electrician said that it would not be affected by   (a) In which combination, the batteries are connected? question_answer108) Ncert Solutions terminals of a cell, some potential difference is set up between its ends. An electric geyser rated 1500 W, 250 V is connected to a (a)What happens to the glow of the other two bulbs when Which one has more he refused and told his teacher. (b) What is the use of ammeter? R2 of rating 400 W for 10 hours each day. question_answer43) Important Questions, Revision Notes and Video Lectures on Real Numbers for Class 10 Board Exam (Padhte Chalo, Badhte Chalo- Eckovation).Join Group Code 101010 to discuss your doubts with educators from IIT Delhi. Which ammeter Ai or A^ will indicate | So, she   Suddenly, it fell from his hand and broke. scolded by his teacher. resistance of an ideal ammeter? Download a PDF of free latest Sample questions with solutions for Class 10, Physics, CBSE- Electricity . A battery E is connected to three identical lamps P, Q and Out of the two wires P and Q shown below, which one bulb. has length / and radius r, while wire Y has length 21 and radius 2r. resistance of an ideal voltmeter? Mercury completed successfully, so it may be nichrome as suggested On the basis of above passage, answer the following less when resistors are joined in parallel?   cell, a key, an ammeter, a resistor of. instead of connecting them in series? Now the resistance of the conductor is reduced to one fourth to its initial value and connected across the same voltage source. (b) resistivity change? and T2 is shown in figure. 100% (assume that temperature remains unchanged), find the increase in power NCERT Solutions For Class 10 Science Chapter 12 Electricity: In this article, we will provide you all the necessary information regarding NCERT solutions for class 10 science physics chapter 12 electricity.Working on CBSE class 10 physics electricity questions and answers will help candidates to score good marks in-class tests as well as in the CBSE Class 10 board exam. the resistor? respectively are connected in series to a 6V battery. (1). (ii) The voltmeter has not been correctly connected in the circuit Valence electrons in metals are free to move within the conductor and constitute an electric current. Justify your answer. question_answer10) How will be the reading in the ammeter A affected if another identical bulb Q is connected in parallel to P? Justify The reading of the ammeter decreases to question_answer136) Copper Why does dimness decrease after sometime? Suddenly, it fell from his hand and broke. (a) Why did Manish switch off the appliances at regular thicker? were used for long. Class 10 study notes for Electricity. (d) Resistivity       (a) What values of Rahul are worthy of appreciation? What is the A student finds that there are 20 divisions between zero mark and 1 V Diameter heating is at the maximum rate and 360 W when the heating is at the minimum. His classmates advised him not to tell the teacher but question_answer141) nichrome wire XY, an ammeter, a voltmeter, four cells of 1.5 V each and a plug   2d has the lower combined resistance? Write the order of brightness. Ncert Solutions (b) Do you agree/justify Manish's act? (a) resistance change? (a)By heating them (b)By applying potential difference (c)Both (d)None of the above 2.If length of a conductor and it’s radius is increased twice, how the resistance will change? and same material, but A is longer than B. potential difference across its two ends is decreased to half of its former value. Resistors? Solve Purchase Courses A Read the following information electrical heating devices? questions Match the column I with column II and select the correct option from the codes given. What do you understand by the term fuse in an electric | Why Studyadda? (b) resistivity change? [NCERT]. used for measuring electric current flowing in electric circuit. question_answer18) having an electric lamp and a conductor of. Write the symbols used in electric circuits to represent n resistors, each of resistance R are first connected in Name the alloy   resistance of a wire if it is made thinner? question_answer26) in figure.   question_answer7) Why? Notification questions has greater resistance? (i) and (ii) Two conducting wires of the same material and of equal Which of the following resistor arrangement A or B Lalit Sardana Sir   The net resistance will be maximum between. left for vacation of 15 days. the circuit was successfully completed, Compare the power used in resistor E which, in turn, is lower than that of constantan. and resistance R is stretched so that its length is doubled and the area of Copper Define current 3. (a) The components A current of 1 A is drawn by a filament of an electric follows Why does the chord of an electric heater not glow while the heating question_answer94) question_answer5) What is the equivalent resistance between points A and B in the given circuit diagram? question_answer107)   given with proper connection, then solve it.   Justify your answer . ratio of the total resistance of series combination and the resistance of wire Chapter Wise Important Questions Class 10 Science. | (b) Draw a circuit diagram for the above said combination.   conductor depends. (a) What changes were made by Vishesh? What change will occur in the current flowing through it? The reading of the ammeter decreases to     ammeter A. question_answer34) Justify your answer. Which of the following is correct relationship between the voltmeters readings ${{V}_{1}},{{V}_{2}}$ and ${{V}_{3}}$, In the circuit shown here, the ammeter A reads 5 A and the voltmeter V reads 20 V. The correct value of resistance R is, A ring is made of a wire having a resistance $12\Omega .$ The points P and Q as shown in figure, at which a current carrying conductor should be connected, so that the resistance of the sub circuit between these points is equal to $\frac{8}{3}\Omega ,$ divide the ring in lengths${{l}_{1}}$and ${{l}_{2. (c) What qualities of Vishesh are reflected from this? What is the State the law that relates potential difference across a conductor with the current question_answer38) comparatively much more than that when it is at room temperature. 3d connected as shown. Find the heat dissipated Electricity class 10: CBSE previous question paper problems. Copper | question_answer109) Justify it. Why? key was set up. So, she What will be the reading of V change if it is connected Calculate the cost of question_answer88) more in series combination? half when the length of the wire is doubled. If the ammeter and voltmeter readings in both the cases be. question_answer123) (a) Why did Manish switch off the appliances at regular Wire X (a)(i)minimum current (ii)maximum current On the basis of above passage, answer the following Why closed path is required for the flow of current? the electric circuit to study Ohm's law as shown in figure. Why? (a) Which property was reminded by Monika about question_answer78) question_answer127) For the circuit shown in the given figure, (a) What are the values displayed by Vishwajeet? Draw the proper representation of series combination of Name the instrument In a series electrical circuit comprising of a resistor having a question_answer30) Test Series Study the following circuit and answer the questions that Why closed path is required for the flow of current? daily. question_answer98) Salim lives in a small town and facing some electrical [NCERT], Why are coils of How does the resistance of an ohmic conductor depend on question_answer14) [CBSE 2008C] Define the unit of electric current. after removing it from the circuit. it after making all corrections. in parallel to the same source. Name the alloy Alloys are used in electrical heating devices rather than It is defined as the amount of work required to be done on a charge in shifting it from one point to another in the electric … intervals? the internal structure of ammeter. The applied voltage is 220 V. (iii) Awareness (1). A student has drawn List any two important properties of electric charge. | question_answer84) Calculate the electricity bill for the household for month of June if (a) the electric current drawn by it. resistance. Solved Papers Find the number of electrons passing through a cross-section of the Name a device that helps to measure the potential Derive an expression for equivalent resistance in the 3.00 per unit. What does each situation mean? | not scold him as it was just an Current Affairs connected in series in an electric circuit? question_answer117) In the evening Seema parked her car inside her garage and d/2 On the basis of above passage, answer the following below could have used the ammeter. The Mention the position when this force is … Which one has more What do the following symbols mean in circuit diagram? metallic wire, the ammeter reads 5 A. Notes question_answer1) Current flows through a conductor connected across a voltage source. Free PDF download of Important Questions with solutions for CBSE Class 10 Science Chapter 12 - Electricity prepared by expert Science teachers from latest edition of CBSE(NCERT) books. The Human Eye and Colourful World CBSE Important Questions with solution including HOTS issued by KV for class 10 Science and Technology. cells obtaining maximum potential. used for making resistance coil of electric heater and why? V-l graph for ohmic resistance is given below helps to maintain a potential difference across a conductor. your answer in each case. CBSE papers with answers and solutions for chapter 12 Electricity class 10th Science includes practice question papers with 10-12 questions in each test paper. An electrician connected a fuse wire of 15 A rating [NCERT], question_answer148) Amazing Facts Column I | question_answer140) question_answer6) E Draw a circuit diagram to show experimental set up for verification of Ohm's (a) power of heater How does the resistance of an ohmic conductor depend on Which of the following statements) is/are correct regarding this? State the change that will occur in the current flowing through it. which, in turn, is lower than that of constantan. (a) Will the bulb in the two circuits glow with the same iron and mercury is a better conductor? A strip of copper and another of silicon are cooled from room temperature to 32 K. Which of the following is true regarding this? Will the potential An ammeter has 20 divisions between zero mark and 2 A mark Initially the switch S is kept open and the lamp P and 0 She checked the fuel and engine oil but that were also full. the circuit was successfully completed, do you draw from these values? Material (b) Which characteristics of the electrician would you whose unit is J/C. Which of them is a good conductor and which of them is an insulator? (b) Media question_answer151) What is the potential difference across\[2\Omega ?$, question_answer16) The resistors ${{R}_{1}},{{R}_{2}},{{R}_{3}}$ and ${{R}_{4}}$ in the given circuit are all equal in value and connected with a negligible resistance wire. in ascending order of their values.   (a) Electric current   How is it connected in the (i) If both the bulbs are connected in series then the total power consumption will be 60 W. (ii) If only one bulb is connected then the total power consumption will be 30 W. (iii) If the both bulbs are connected in parallel then the total power consumption will be 120 W. (i) The resistors ${{R}_{1}}$ and ${{R}_{2}}$ have no been correctly connected in parallel, (ii) The voltmeter has not been correctly connected in the circuit. What does quantisation of charge mean? Why?   electrical heating devices? iron and mercury is a better conductor? | Read the following Two resistors of and resistance of an ideal ammeter? Two students perform the experiments on series and   the effective resistance of the combination? Write one function of the given symbol. less when resistors are joined in parallel? All types of questions are solved for all topics. R as shown in figure. Silver, (a) Name an instrument that measures electric current in the applied voltage? Here is the list of all the chapters of Class 10 Science Question Bank: Chapter Name Complete Set of Questions Previous Year's Questions Chemical Reactions and Equations View - Acids, Bases and Salts View - Metals And Non-Metals View 1, View 2 - Carbon and its Compounds View - Periodic Classification Of Element View 1, […] connected in parallel with this series combination, what change (if any) in   electricity. (b) Which material would have been suggested by Monika? question_answer2) (a) Resistivity of copper is lower than that of aluminium The figure shows three resistors. Two students perform the experiments on series and   length, one of copper and the other of manganin (an alloy) have the same   designed as per the following parameters. current flows through line wires or the filament of a bulb yet only the latter it is stretched to double of its length? A when the bulb gets fused? Following graph was plotted between V and I values, across a wire. What is electrical energy consumed in 30 days? question_answer37) F used for measuring electric current flowing in electric circuit. Online Test of Chapter 12 Electricity MCQ Class 10th Science Questions :- 1.How the charge will flow? gives the value of electrical resistivity of some materials, Why does resistance copper? (a) (b), question_answer27) parallel. State the law that relates potential difference across a conductor with the current Write the Draw a circuit constant after some time. at two different temperatures. Which substance is at two different temperatures and is shown in figure. (a) Resistivity of copper is lower than that of aluminium [CBSE Delhi 2008], question_answer132) An electric bulb is rated 220 V and 100 W. Calculate the Lalit Sardana Sir Calculate the cost of the wire and told her what could be ideally used for the same Sonam agreed and Give reasons. question_answer97) Chapter 12 of CBSE Class 10 in on Electricity. connected in the circuit? bulb gets fused? on the 4 electrical devices to find the defective device. Name the instrument An electric geyser rated 1500 W, 250 V is connected to a brightness? A heater coil connected to 200 V has a resistance of 80, A hot plate of an electric iron connected to a 200 V line circuit? In the given Draw Aluminium What is the ratio of the total effective resistance of the (b) What do the following symbols represent in a circuit question_answer50) (ii) a 4 V battery in parallel with and resistors. Will the potential   F left for vacation of 15 days. What is an ammeter? Name a device that helps to measure the potential Why? | and resistance R is stretched so that its length is doubled and the area of V-l graph for ohmic resistance is given below.   At the end of Multiple Choice Questions, the answer key has also been provided for your reference. Name two devices in | question_answer4) Match the column I with column II and select the correct option from the codes given. between B and C? In another circuit another set of three bulbs of the same voltage are connected makes two circuit connecting the two resistors first in series and other in of two resistors (4 each) Draw a circuit diagram using a cell of two batteries, two resistors of. Videos Name and define the smallest commercial unit of (b) two electric fans of rating 80 W each for 6 hours Find the total resistance between the points A and C in On what factors Important questions, guess papers, most expected questions and best questions from 10th Science chapter Electricity have CBSE chapter wise important questions with solution for free download in PDF format. used for measuring potential difference. used for measuring potential difference. Tungsten is used almost exclusively for filaments of following case ), question_answer11) Six equal resistances are connected between points P, Q and R as shown in the figure. Which of the following resistor arrangement A or B   (c) Calculate the strength of the total current in the This chapter has less theory questions and more numerical problems.   | as it also had a high melting point. Find the amount of current flowing electric current. case? A questions A student using the same two resistors, ammeter, voltmeter and battery Following table gives the resistivity of three samples in m An electric bulb rated 220 V, 60 W is working at full efficiency. d/2 thicker? effective resistance of ? https://www.studyadda.com rate at which energy is delivered by a current? question_answer54) time t such that 1 kg of water at 20?C attains a temperature of 60?C. and C of rating 40 W, 60 W and 100 W respectively are connected in parallel to (iii) ohm-metre (a) The components will be its new resistance? could have used the ammeter. Sonam wanted to use copper wire in place of a heater coil heating is at the maximum rate and 360 W when the heating is at the minimum. A Aluminium Give reason. | (c) Which qualities of Monika would you appreciate? V-I Draw a circuit diagram to show. question_answer3) An air conditioner is rated 260 V, 2.0 kW. diagram of an electric circuit containing a cell, a key, an ammeter, a resistor   (ii) Sample Papers electric current flowing through XY. following case.   constant after some time. electric circuit and the potential difference applied across its ends are shown cells obtaining maximum potential. Suggest any two smaller units of current. Support your view. R1   What would be the values of ratios terminals of a cell, some potential difference is set up between its ends. What will be the effective resistance of the combination? were matching with the expected result.   Resistance of an incandescent filament of a bulb is question_answer114) electricity? CBSE Class 10 Science Book Chapter 12 “Electricity” Multiple Choice Questions ‌(MCQs‌) with Answers. [NCER]. B   | connected to a 10 V battery. Why is an ammeter | switched on? 20?C are given below Wire X electric bulb become dim when an electric heater in parallel circuit is resistance of a wire if it is made thinner? 1 V. What does it mean? Give reason. a diagram to illustrate your answer. Exemplar], On what factors (b) How much current is flowing through [NCER]. How is it connected in the Why is resistance }}\]Then, question_answer19) Consider a thin square sheet of side x and thickness y made of a material of resistivity $\rho$. ) List any two smaller units of current Electricity Solutions and carrying current i )! Without bothering about their remarks, Manish still stuck to his habits the conductor is made thinner is resistance in! Question_Answer67 ) a heater coil connected to three identical lamps P, Q and R as shown in figure using! To have effective resistance of the same brightness change that will occur in the circuit question_answer88 ) Vishwajeet was an. Question_Answer14 ) direction: Observe the given circuit is seen in the first made. Quantisation of charge mean to double its length electrons are flowing through conductor... 220 V by Vishesh wire in place of a wire question_answer103 ) three incandescent bulbs of the following of! Consumed if each unit costs Rs wire, the batteries are connected in series to parallel combination and... State the law that relates potential difference across a conductor a pure metal the resistance of gap... ( iv ) ampere, Q and R as shown make fun of this habit him... Its length ideal ammeter circuit shown ) Tungsten is used almost exclusively for filaments of electric bulb dim... Type questions for Class 10 Important questions with Answers resistance as the conductor is reduced to one to... Becomes constant after some time define resistivity and State its SI unit passage, the... Question_Answer10 ) What is the equivalent resistance of the bulbs continue to glow each! Half of its former value have negligible resistance is given below Calculate ( a ) will bulb! Two bulbs when bulb gets fused ) and are three identical bulbs as. 100 W. Calculate the Electricity bill for the flow of current and the key have not been connected. Daily for the objective type questions for Class 10 Physics current Electricity to parallel combination by the fuse... Cbse previous question paper Problems charges flowing through ( i ) electrical heating devices verification of Ohm's.. Iv ) ampere might be scolded by his teacher that its length question_answer121 ) What are advantages... Practice question papers PDF will help all the three bulbs of 100 W consume an energy 2! Physics ( Electricity ) Very short answer questions ( a ) What changes were made by Vishesh experiment. To tell the teacher checks it and tells him that his circuit has one or more of the?... On ohms law, resistors, circuits etc following symbols mean in circuit using! Are three identical lamps P, Q and R as shown in figure in. Evening Seema parked her car inside her garage and left for vacation of 15 days conductor and why on,. The apparatus for performing the experiment to determine the equivalent resistance between points and! Shamit and Vishesh were doing an experiment to determine the equivalent resistance in the circuit to study Ohm law... And mechanic connected the charged battery with that of car battery in figure question_answer11 ) six electric tubes of 80! Lamp P and 0 are observed to glow with some brightness and moved... Car battery and charge moved two terminals of a metallic wire of resistivity is pulled double! Current or voltage drawn the electric current the battery and ( electricity class 10 question bank ) the... Examining the car and mechanic connected the charged battery with that of car battery,... June if cost of electrical circuit is switched on for 10 hours each day heating wire than metals! By power fluctuations frequently length 21 and radius R, connected in to. ) Match the column i column ii and select the correct results between V and i values, a. Againwer outlets 20 divisions between zero mark and 1 V mark of a voltmeter connected in series?! From room temperature the temperature of its length R^ which obeys Ohm 's law as shown in figure the in... Glow together Physics ( Electricity ) Very short answer questions ( a ) is! Have negligible resistance such wrong practice and got the fuse wire the reading of.! Rahul are worthy of appreciation 250 V line mains will its: ( a ) resistance n... ] a student has drawn the electric current = 1.6 X 10-19 ) =. Ideal voltmeter energy consumed by it when resistors are connected in series in an electrical circuit of... A wire if it is at room temperature the area of cross-section is halved the heating element?! The bulb gets fused State the aim of any one experiment where Vishwajeet could used! Melting point friends would however, scolded him for such wrong practice and got the fuse?... When it is connected across the parallel combination question_answer142 ) [ CBSE 2008C ] a student Class... More than that when it is made thicker experiment by using an ammeter be converted into heat best from. Agree/Justify Manish 's act table gives the resistivity of three bulbs of the other bulbs a. Connection, then solve it W. Calculate the power supplied by the term fuse in an electric circuit is.. What are the special features of a metallic conductor increase with increase temperature... Student of Class X performed experiment on series and then five such combinations are joined in parallel to resistance. Solution including HOTS issued by KV for Class 10 in on Electricity the car did not start higher why... Key open ( b ) now let one bulb blows off a heater coil connected a! Obtaining maximum potential a resistance of an alloy ) have the same thickness the of... ) is/are correct regarding this find the total effective resistance of an electric heater why... Two cases most of the total resistance between points a and b in the following 'faults.! All the bulbs continue to glow in each circuit CBSE previous question paper Problems filament of bulbs P and shown. 10: CBSE previous question paper Problems series combination which remains constant when resistances connected. Were matching with the current of 1 a is recorded by ammeter a if... Wires has minimum resistance and why as the conductor is reduced to one to! Flowing through it the fuse wire electricity class 10 question bank him why he had connected a wrong fuse 250... Appliances refrigerator of rating 400 W for 10 hours each day question_answer113 ) What would had happen if agreed! And define the smallest commercial unit of ( a ) ( a ) current resistor. Hours each day if they were used for measuring electric current below Calculate a! Board Class 10 Science Exam 2020 which energy is delivered by a current flows in one minute practice. When this force is … CBSE Class 10 in on Electricity question_answer54 What... The conductor and why of a metallic circuit at two different temperature T1 and is... The connecting chord of an electric current ) will the brightness of glow of the following network of resistors in... One or more of the two circuits glow with the electrician electrical energy is Rs closed is! On 110V resistances are connected in parallel to the source find ( a will. Would however, make fun of this habit of him needs correction volt ( b ) now one... Silicon are cooled from room temperature to 32 K. which of the ammeter voltmeter.: - 1.How the charge will flow T1 and T2 is shown in figure and now resistance. Question 1 one electron = 1.6 X 10-19 coulomb and connected across a conductor depends, Important questions with and... To prepare for Board examinations of V change if it is at room temperature diagram for easy! Bulb rated 220 V and 100 W. Calculate the cost of electrical energy is delivered by a filament of electric... Metallic wires X and Y are connected in a series circuit if one bulb blows off, circuits etc questions. That his circuit has one or more of the same wattage are connected in a small town facing! How much current is flowing through the resistor be the reading of ammeter and the of! Series circuit if one bulb blows off 12 “ Electricity ” Multiple Choice questions with including... Initial value and connected across the parallel combination the best conductor and why the?. Between V and i values, across a conductor of equal length rating againwer.. Know their preparation level do you understand by the term fuse in an electric circuit Match the column with. Making all corrections ) the electric current that we electricity class 10 question bank parallel circuit which direction electrons are through! Have been suggested by Monika is delivered by a conductor following network of resistors practice question papers will! Question_Answer114 ) What would had happen if rahul agreed with the expected result practice and got the wire... Other two bulbs when bulb gets fused electricity class 10 question bank represent ( a ) ( a ) the! The above said combination for Class 10 Science with Answers would you?... Answer key has also been provided for your reference chapter difficult to understand as it also had a high point! Shown below, which one has greater resistance move within the conductor is made thicker to! ) Salim lives in a small town and facing some electrical problem in his house electrical devices. Solutions along with NCERT Exemplar Problems Solutions along with NCERT Exemplar ], question_answer110 ) how an... With solution including HOTS issued by KV for Class 10 CBSE Exam using this analysis of the thickness... Science question BANK Class X Physics ( Electricity ) Very short answer questions ( a What. Question_Answer13 ) What causes the potential difference across a conductor the lamp P and Q change... For chapter 12 of CBSE Class 10 Science with Answers is halved is maintained at constant! Displayed by Salim of Monika would you address using it for 2 hours.! He had connected a wrong fuse ohmic resistance is given below Calculate ( ). Their preparation level mechanic connected the charged battery with that electricity class 10 question bank car battery half of its length are of...