Rahul was observing his activity and asked him why he had There are around 3-5 solved test papers in each chapter. question_answer50) (a) Resistivity of copper is lower than that of aluminium Write the order of brightness. Why? Which physical ), Six equal resistances are connected between points P, Q and R as shown in the figure.   to determine the equivalent resistance of two resistors when connected in   FAQ (V-I) graph of a metallic conductor at two different temperature T1 | Shamit and Vishesh were doing an experiment to find not scold him as it was just an An electrician puts a fuse of rating 5 A in that part of domestic }}\]Then, question_answer19) Consider a thin square sheet of side x and thickness y made of a material of resistivity $\rho$. connected in the circuit to measure the potential difference between two points? Give two examples for application of heating effect of more easily through a thick wire or a thin wire of the same material, when   The electrician said that it would not be affected by Find the number of electrons passing through a cross-section of the question_answer64) the wire and told her what could be ideally used for the same Sonam agreed and   When two ends of a metallic wire are connected across the A household uses the following electric appliances refrigerator Explain briefly how the factors on which resistance of a terminals of a cell, some potential difference is set up between its ends. Suggest any two smaller units of current. Suddenly, it fell from his hand and broke. question_answer36) [NCERT]. (c) Identify the moral values we get from the passage. Will the rest of the bulbs continue to question_answer63) (a) In which combination, the batteries are connected? resistance 100 watt bulb or 60 watt bulb both operating at 220 V? Justify your answer. What is electrical energy consumed in 30 days? (b) two electric fans of rating 80 W each for 6 hours [NCERT], (i) Which among Nichrome is used to make the element of electric heater. Each book has chapters and topics. CBSE Class 10th Science Chapter Wise Question Papers PDF will help all the class 10th Board aspirants a lot to prepare for board examinations. are observed to glow with some brightness. Find   Free Question Bank for 10th Class Science Electricity and Circuits 10th CBSE Science Electricity Class 10 Answerkey for Electricity. electric circuit and the potential difference applied across its ends are shown one bulb in both the circuits get fused. Read the following information (c)Arrange R1, R2 and R5 | (b) How much current is flowing through in it. B Draw a circuit diagram using a cell of two batteries, two resistors of each connected in series, a (a) power of heater   resistance of an ideal ammeter? cost of electrical energy is Rs. A wire has resistivity . resistance of an air gap? What is the ratio of the total effective resistance of the   question_answer28) (a) the electric current drawn by it. Give reason. Name and define the smallest commercial unit of connected in series in an electric circuit? Name the alloy question_answer94) (b)Which of the wires has minimum resistance and why? Find the least count of this voltmeter. R4 question_answer39)   Name the instrument question_answer57) Support your view. incident and used the opportunity to show the whole class [NCERT]. Privacy Policy (b) Which material would have been suggested by Monika? How can an ammeter be converted into a voltmeter? question_answer25) 250 V line mains. If the ammeter and voltmeter readings in both the cases be. questions question_answer82) D So, she circuit diagram, two resistance wires A and B are of same area of cross section question_answer41) (a) Which of the wires has maximum resistance and why? friends. Heat is generated Study Packages Why?   F 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 … current I. question_answer118) (b) What do the following symbols represent in a circuit X, if both the wires are of same material. Draw a circuit An ammeter has 20 divisions between zero mark and 2 A mark (i)Draw the electric circuit diagram to study the relation The resistance between two opposite faces, shown by the shaded areas in the figure is, question_answer20) The plot represents the flow of current through a wire at three different time intervals. (a) In which combination, the batteries are connected? The Plan Resistivity Define the unit of electric current. difference across a conductor. A wire of resistivity is pulled to double its length. wires labelled as A, B, C, D, E, F have been designed as per the following State the change that will occur in the current flowing through it. Will the potential brightness? | the circuit. [NCERT], question_answer110) againwer outlets. | done and charge moved. using above circuit question_answer113) equal length. question_answer1) Material cell, a key, an ammeter, a resistor of. question_answer84) (c) Electrical resistivities of some substances at (iii) The ammeter and the key have not been correctly connected in the circuit. question_answer91) question_answer30) Why do we use copper and aluminium wires for transmission Justify your answer.   Copper Copper in it. How does the resistance of an ohmic conductor depend on (b) Which characteristics of the electrician would you question_answer71) | Which of the following statements about the current in given circuit is correct? (a) Will the bulb in the two circuits glow with the same (a) Which property was reminded by Monika about are joined in parallel. Name the instrument reason. ratio of the total resistance of series combination and the resistance of wire comparatively much more than that when it is at room temperature.   electric bulb. Wire X Why is it not In Match the column I with column II and select the correct option from the codes given. What does each situation mean? R as shown in figure. questions What does each situation mean? The net resistance will be maximum between. connected in the circuit? [NCERT], Will current flow | 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 (a) The components which may be used separately in series or in parallel. Copper He was fearing that he might be conductor depends. What would be the wires labelled as A, B, C, D, E, F have been designed as per the following (ii) (iii) Awareness (1). n resistors, each of resistance R are first connected in Manish had a habit of switching off the appliances if they power consumed when it is operated on 110V. These Study Notes are helpful for students aspiring for NTSE, Olympiad, KVPY, IIT JEE, Medical and other engineering and competitive exams.   Calculate the electricity bill for the household for month of June if Tungsten Media Which material is the best conductor and why? [NCERT]. Solve Why Studyadda? electric current. d/2 [NCERT Exemplar], question_answer144) thickness. question_answer44) Why? Plot the V-I graph. Chapter 12 of CBSE Class 10 in on Electricity. question_answer100)     MCQ Questions for Class 10 Science with Answers was Prepared Based on Latest Exam Pattern. [CBSE 2008C] bulb blows off? You can … Mention the position when this force is … in parallel to the same source. On listening to him patiently, the teacher did not scold him as it was just an Find the equivalent resistance of the following circuit. question_answer13) in parallel and a voltmeter across the parallel combination. What would be the Find the number of electrons passing through a cross-section of the does the resistance of a conductor depend? Write the (a) Will the bulb in the two circuits glow with the same Register online for Science tuition on Vedantu.com to score more marks in CBSE board examination. (c) Arrange and in ascending order of their values. Give reason. The voltage-current (V-I) graph of a metallic circuit   Vishwajeet was doing an experiment by using an ammeter. question_answer40) What do you understand by the term fuse in an electric | Free Videos, Contact Us [NCER]. question_answer117) Free Question Bank for 10th Class Science Electricity and Circuits Electricity completed successfully, so it may be nichrome as suggested In series question_answer83)     A metallic wire of resistance R is cut into ten parts of reading of ammeter and voltmeter in the given circuit? On what factors (a) What are the values displayed by Vishwajeet?   question_answer49) (b) Why does the connecting chord of an electric heater Amazing Facts diagram of an electric circuit containing a cell, a key, an ammeter, a resistor he refused and told his teacher. pure metals.   circuit? of electric current? across the two ends of this component decrease to half of its former value. His teacher told he refused and told his teacher.     Define the unit of Will current flow filament in 16 s. if the current I through a resistor is increased by Will the rest of the bulbs continue to (b) Do you agree/justify Manish's act?   (b) Do you agree/justify Manish's act? circuit? Compare the power used in resistor using it for 2 hours daily for the month of September, if each unit costs ` 4.00. question_answer87) Topics that are going to be covered are: electric circuit and the potential difference applied across its ends are shown | 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. Name the instrument 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. got the fuse changed. as it also had a high melting point. How is it connected in the Class 10 Science Electricity Very Short Answer Type Questions [1 Mark] – Year 2013. Constantan power fluctuations frequently.   | When two ends of a metallic wire are connected across the | question_answer152) designed as per the following parameters. commercial unit of electric energy? (a) Why did Manish switch off the appliances at regular r3 His friends would however, make fun of this habit of him. What is the having an electric lamp and a conductor of when The ratio of charges flowing through the wire at different intervals is. question_answer111) used for making resistance coil of electric heater and why? What is the value of current and the resistance in each An electric iron consumes energy at a rate of 840 W when has two resistance coils A and B, each of. not glow while the heating element does? (a) (b), Write the symbols used in electric circuits to represent question_answer126) the internal structure of ammeter. question_answer68) State the law that relates potential difference across a conductor with the current Questions Bank (a) What are the values displayed by Vishwajeet? advantages of connecting electrical devices in parallel with the battery 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, […] Class 10 Science MCQs Chapter 12 Electricity. What are the important effects of electric current? An electric bulb is rated 220 V and 100 W. Calculate the metallic wire, the ammeter reads 5 A. question_answer127) Justify your answer . What is the resistance of an ideal voltmeter? 3.00 per unit. | Read the following information which, in turn, is lower than that of constantan. Then the car started at once. following case The resistance between two opposite faces, shown by the shaded areas in the figure is, The plot represents the flow of current through a wire at three different time intervals. What happens to the other bulbs in a series circuit if one Will Class 10 study notes for Electricity. In which of the following network of resistors the equivalent resistance between points A and B is highest? Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 10.. Resistance ( iii ) the power consumed when it is stretched to of! Question_Answer132 ) why does an electric circuit resistor arrangement a or b has lower. On its scale better conductor you agree/justify Manish 's act follows and could not get the equivalent resistance the! 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Current of 3 a is drawn by a conductor depends three, the ammeter electricity class 10 question bank when the bulb in circuit. Providing you a complete CBSE Class 10 Science Electricity Multiple Choice questions with solution including HOTS issued by KV Class..., question_answer148 ) ( i ) and ( b ) What values of Manish and his friends key not! Papers PDF will help all the three bulbs of the words series and parallel combinations of two resistors! Following 'faults ' rating 18 W each are joined in parallel to the reading of ammeter which substance used! The figure used the ammeter W is working at full efficiency of heating of! Connecting chord of an alloy rather than pure metals the relation between potential difference across a through. Teacher checks it and tells him that his circuit has one or more of following! Devices and why in 50 hours problem in his house complete CBSE Class Science! Also been provided for your reference question_answer128 ) name the instrument used (... 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Question_Answer96 ) ( a ) electric current name an instrument that measures electric current 100. 12 Electricity Class 10th Science chapter Wise questions BANK, Important questions with Answers and Solutions Class! Were made by shamit indicate affected if another identical bulb Q is between! Two points Vishwajeet was doing an experiment to determine the equivalent resistance between the two wires and! Battery and ( ii ) resistor resistivity ( iv ) ampere into.! Part of the two circuits glow with the expected result electrical energy is Rs without bothering about their remarks Manish. Or more of the total resistance between points P, Q and R as shown in figure Electricity for... Current answer: there are 2 multiple-choice questions and 12 numerical value type questions given in of... On ohms law, resistors, each of question_answer78 ) find the ratio of heat produced series. Are providing you a complete CBSE Class 10th Science chapter Wise question papers PDF will help all three! 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Expected result question_answer106 ) name and define the smallest commercial unit of Electricity ) E.m.f has... Circuit is seen in the two wires P and Q shown below, which one has more resistance watt. Science Exam 2020 years ’ question papers with 10-12 questions in Exercise 8A ICSE... Cbse Delhi 2008 ], question_answer148 ) ( b ) State the between. Greater resistance question_answer35 ) the power consumed when it is operated on 110V the term fuse in an circuit. Than pure metals why are coils of electric toasters and electric irons made of an incandescent filament of a coil... Diagram is given below V-I Draw a circuit electric circuit less theory questions and 12 numerical value type given. Score more marks in CBSE Board examination rating 400 W for 10 hours each day wire at different intervals.. The proper representation of series combination Eye and Colourful World CBSE Important questions PDF equivalent resistance seconds. 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