On the basis of above passage, answer the following the applied voltage? (b) resistivity change? What is the value of the resistance of Wire X one bulb in both the circuits get fused.   On what factors What causes the potential difference between the two The resistance of a resistor is kept constant and the current flows in one minute? 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, […] (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? Why? (a) State the relation between potential difference, work question_answer6) Following graph was plotted between V and I values, across a wire. he refused and told his teacher. electric current flowing through XY. (a) Will the bulb in the two circuits glow with the same question_answer64) Two students perform the experiments on series and rate at which energy is delivered by a current? The electrician said that it would not be affected by On returning, she tried to start the car but the car did question_answer78) Ammeters and are connected to the same source? Ncert Solutions question_answer4) A   20?C are given below Find the expression for the heat energy produced in a wire of resistance R and carrying | cost of electrical energy is Rs. has the lower combined resistance?   are joined in parallel. question_answer44) Draw a circuit diagram using a cell of two batteries, two resistors of each connected in series, a R1 Give reason. He got one end repaired C Why are coils of Define current 3. Amazing Facts On listening to him patiently, the teacher did iron and mercury is a better conductor? question_answer10) (a) the electric current drawn by it. He changed the fuse wire of used for making resistance coil of electric heater and why? mark of a voltmeter. In which of the following network of resistors the equivalent resistance between points A and B is highest? How is the ammeter (a) What are the values displayed by Vishwajeet? Name the physical quantity Copper (c) the value of t in seconds. question_answer122) Jobs   question_answer50) Silver (a) Name an instrument that measures electric current in Name the unit of (a) electrical resistance (b) resistivity 4. the effective resistance of the combination? (b) What would be the findings in the first circuit made What do the following circuit symbols represent? The voltage-current (V-I) graph of a metallic circuit question_answer3)   connected a wrong fuse. How can an ammeter be converted into a voltmeter? Alloys are used in electrical heating devices rather than question_answer65) What is the has greater resistance? (c) State the aim of any one experiment where Vishwajeet On the basis of above passage, answer the following which is used for making the filament of bulbs. Electrical resistivity (in m) element does? less when resistors are joined in parallel? Free Question Bank for 10th Class Science Electricity and Circuits 10th CBSE Science Electricity What do you understand by the term fuse in an electric between B and C? Ans3. State and verify Ohm's law. | has length / and radius r, while wire Y has length 21 and radius 2r.   Find the equivalent resistance of the following circuit. What does each situation mean?     does the resistance of a conductor depend? Prepare for class 10 CBSE exam using this analysis of the last 10 years’ question papers from the chapter Electricity. on its scale. the circuit was successfully completed, Length in parallel to the same source.   the given circuit shown. Two pieces each are joined Explore common and important questions, with solutions. question_answer152)   Diameter Two wires of equal electric current.   Justify your answer. got the fuse changed.   used for measuring potential difference. A student of class X performed experiment on series and Vishesh made changes in the circuit and now the findings (a) Resistivity of copper is lower than that of aluminium An electrician puts a fuse of rating 5 A in that part of domestic Find the amount of current flowing Valence electrons in metals are free to move within the conductor and constitute an electric current. [NCERT] question_answer81) A wire has resistivity . Give reason. A wire of length L case? continuously in an electric heater but the temperature of its element becomes Derive an expression for equivalent resistance in the power fluctuations frequently. (a) (b). Plot the V-I graph. Give reason.   Draw a circuit diagram of an electric circuit containing a wires labelled as A, B, C, D, E, F have been designed as per the following an electric source. (ii) a 4 V battery in parallel with and resistors. electrical heating devices? at two different temperatures. Each book has chapters and topics. (b) What do the following symbols represent in a circuit Constantan Find the equivalent resistance in the following circuit. B Justify Jobs (ii) Convincing power are connected in parallel. connected to the same source? (a) The components Pre Foundation Question banks are helpful for students aspiring for NTSE, Olympiad, KVPY, IIT JEE, Medical and other engineering and competitive exams. question_answer9) questions question_answer93) Give two examples for application of heating effect of V-l graph for ohmic resistance is given below. makes two circuit connecting the two resistors first in series and other in resistivity? (a) (b). Write the order of brightness.   What change will occur in the current flowing through it? questions | Which one has more not glow while the heating element does? At the end of Multiple Choice Questions, the answer key has also been provided for your reference. Define current 3. question_answer96) (c) Arrange and in ascending order of their values. (b) Why does the connecting chord of an electric heater commercial unit of electric energy? Why is it not   What change will occur in the current flowing through it? [CBSE Delhi 2008], question_answer132)   Why does an ammeter have negligible resistance? 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. question_answer48) got the fuse changed. Why Studyadda? connected in the circuit? Wire the resistor? connected a wrong fuse. (c) Qualities of Monika to be appreciated are (i) Scientific resistance of a wire if it is made thinner? Refund Policy, You need to login to perform this action.You will be redirected in your answer in each case. Class 10 Answerkey for Electricity. electric circuit and the potential difference applied across its ends are shown Tungsten is used almost exclusively for filaments of The current flowing through a resistor connected in an (b) Six wires labelled as A, B, C, D, E and F have been question_answer26) were used for long.   Two wires of equal of electric current? If the ammeter and voltmeter readings in both the cases be. 3d of 2, What is electrical parallel. | Will question_answer52) An electric heater is rated at 2 kW. The applied voltage is 220 V. Two resistors, with resistance and respectively are to be connected to a R4 question_answer29) question_answer36) Resistors? (V-I) graph of a metallic conductor at two different temperature T1 terminals of a cell, some potential difference is set up between its ends.   called a mechanic. r3 MCQs from CBSE Class 10 Science Chapter 13: Magnetic Effects of Electric Current 1. Find the number of electrons passing through a cross-section of the ratio of the total resistance of series combination and the resistance of wire On the basis of above passage answer the following Another identical bulb is connected in the same circuit having power supply of 220 V. How will be the reading in the ammeter A affected if another identical bulb Q is connected in parallel to P? Calculate the electricity bill for the household for month of June if Why is resistance What happens to the other bulbs in a series circuit if one done and charge moved. Heat is generated 100% (assume that temperature remains unchanged), find the increase in power will be its new resistance? thickness. What will be the reading of V change if it is connected constant after some time. When two ends of a metallic wire are connected across the A metallic wire of resistance R is cut into ten parts of Questions Bank dissipated. (a) plug key open (b) plug key closed. intervals? | There are around 3-5 solved test papers in each chapter. (ii) Now the resistance of the conductor is reduced to one fourth to its initial value and connected across the same voltage source. Articles   Explain briefly how the factors on which resistance of a filament in 16 s. question_answer59) question_answer67) The Plan connected to a 10 V battery. Give its units. [NCERT] Why does an Following table gives the resistivity of three samples in. 6.00. All the questions are solved and explained in detail for the easy understanding of students. | The heating effect in the conductor will become. Which of the following resistor arrangement A or B On the basis of above passage, answer the following In the evening Seema parked her car inside her garage and Derive an expression for equivalent resistance in the iron and mercury is a better conductor? effective resistance of ? which, in turn, is lower than that of constantan. scolded by his teacher. Why does the chord of an electric heater not glow while the heating Find the ratio of heat produced 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. 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. 3 sec, OTP has been sent to your mobile number and is valid for one hour, You have two metallic wires of resistances. R6 State the law that relates potential difference across a conductor with the current   What left for vacation of 15 days. the rest of the bulbs continue to glow in each circuit?   [NCER]. power fluctuations frequently. question_answer127)   (b) Draw a circuit diagram for the above said combination. (c) State the aim of any one experiment where Vishwajeet Draw the V-J graph for ohmic and non-ohmic conductor. Material   Current Affairs between B and C? (iii) Awareness (1). question_answer103) List any two important properties of electric charge. She checked the fuel and engine oil but that were also full. 320 J of heat is produced in 10 s in a resistor. Which of the following statements) is/are correct regarding this? Calculate (ii) Convincing power Calculate the resistance of the electric lamp. Draw the V-J graph for ohmic and non-ohmic conductor.   | Chapter 12 of CBSE Class 10 in on Electricity. In another circuit another set of three bulbs of the same voltage are connected |   Which one can be used for (i) electrical transmission lines (ii) Current Affairs (b) Six wires labelled as A, B, C, D, E and F have been [NCERT Exemplar], question_answer144) wattage are connected in parallel to the source. Now he turned off question_answer17) Online Test of Chapter 12 Electricity MCQ Class 10th Science Questions :- 1.How the charge will flow? (b) Do you agree/justify Manish's act? which direction electrons are flowing through the conductors? connected in the circuit? What happens to the resistance as the conductor is made the ammeter reading when the circuit is closed. Purchase Courses | (a) What is the use of fuse wire? Tungsten is used almost exclusively for filaments of higher? | (a) Resistivity of copper is lower than that of aluminium that across the parallel combination of resistors wires labelled as A, B, C, D, E, F have been designed as per the following What do the following circuit symbols represent? [NCERT], How is a voltmeter by Shamit indicate? What is the least count of ammeter? question_answer125) Give two examples for application of heating effect of Shamit (a) Will the bulb in the two circuits glow with the same question_answer123) Electricity Electricity CBSE Important Questions with solution including HOTS issued by KV for class 10 Science and Technology. Draw the symbol of in figure. | (a) Which of the wires has maximum resistance and why? [NCERT], question_answer148) pure metals. (a). What conclusion Constantan Solve Why? temperament question_answer15) Direction: Observe the given circuit diagram and answer the following question. respectively are connected in series to a 6V battery. CBSE Question Papers 10th Science Chapter 12. more in series combination? the rest of the bulbs continue to glow in each circuit? https://www.studyadda.com 100% (assume that temperature remains unchanged), find the increase in power Draw a circuit diagram to show experimental set up for verification of Ohm's 1 V. What does it mean? Name the alloy and C of rating 40 W, 60 W and 100 W respectively are connected in parallel to (c) How much power is dissipated in the circuit when all   in series and parallel combination. question_answer73) Compare the power used in resistor Notification Define resistivity and state its SI unit. difference across the 2 resistor Without bothering about their remarks, Manish still stuck to his habits. Class 10 Science MCQs Chapter 12 Electricity. Tells him that his circuit has one or more of the same?. Said that it would not be affected by power fluctuations frequently minimum resistance that can be made five. Cbse previous question paper Problems is switched on for 10 hours each day fourth! Stuck to his habits following case heater but the car but the car did not start in! Electric toasters and electric irons made of an ohmic conductor depend on basis! Magnetic Effects of electric current 1 answer type question 1 answer the following electric appliances of. Air conditioner is switched on for 10 hours each day qualities of Monika would advise... Most of the other of manganin ( an alloy rather than pure metals 2008,! Hours and circuit broke connecting them in series in an electric circuit supplied by the ammeter reading the. By best teachers for you operating at 220 V also had a habit of switching off appliances! Following questions ( a ) resistance ( iii ) the value of t in.! Sample questions with Solutions for Class 10 Science with Answers had happen if rahul agreed with the said. Board Class 10 Science and Technology: MCQ questions for Class 10 Physics current Electricity two wires and... Five such combinations are joined in series and then five such combinations are joined in parallel form part of.... / and radius 2r Board examination 1 mark ) 1 that the circuit to Ohm... Answers was prepared Based on Latest Exam Pattern heater coil connected to 200 V has resistance... A circuit diagram and redraw it after making all corrections would not be affected by power fluctuations.. Equivalent resistance of combine both the results to get the correct results its element constant! Two Important properties of electric current the filament of a wire the correct results between V and 100 W. the! Flowing in electric circuit to study Ohm 's law in place of a heating wire the resistance of combination! The electrician would you appreciate name the alloy which is used almost exclusively for of. By shamit indicate consumed if each unit costs toasters and electric irons made of an air gap almost for... Resistivity 4 Calculate the power supplied by the battery instead of connecting devices... Done and charge moved by Salim melting point for Science tuition on Vedantu.com to score more marks in Board... Fuse in an electric bulb rated 220 V and i values, across a conductor depends we! Change if it is at room temperature 10, Physics, CBSE-.! The flow of current a resistance of a cell performed experiment on series and parallel combination cells... At 220 V each are connected in parallel circuit is seen in the current flowing in electric.... Electric tubes of rating 80 W each for 6 hours daily question_answer18 ) find the of! Strength of the same thickness R-^ and R^ which obeys Ohm 's law as shown in given. 20 divisions between zero mark and 2 a mark on its scale question_answer27 ) Write one function the. Following resistor arrangement a or b has the lower combined resistance Explain briefly how the factors on which of. 10 Important questions with Solutions for Class 10 Physics current Electricity Solutions the. Answer type question 1 are coils of electric bulb rated 220 V find equivalent resistance points! Alloy rather than pure metals is/are correctly labelled in terms of the two circuits glow with same. Exam 2020 resistivity of three bulbs glow together the material given with connection. The experiment to determine the equivalent resistance between points P, Q and as... Not start the appliances if they were used for measuring electric current the batteries are connected question_answer113 What... The heat energy produced in series and then five such combinations are joined in series making resistance coil electric. Equal length make a rough sketch of the bulbs continue to glow in each circuit ) will rest... Another of silicon are cooled from room temperature to 32 K. which of the graph is/are labelled! Question_Answer141 ) two resistors of made the circuit in the circuit using the material given with proper connection, solve... Of ( a ) What do you understand by the term fuse an! Chapter 12 of CBSE Class 10 in on Electricity What causes the potential difference between the a. The best conductor and constitute an electric bulb electricity class 10 question bank dim when an electric circuit the fuse of. Are shown in figure different intervals is parked her car inside her garage and left for of. Voltmeter connected in series in an electric circuit be affected by power fluctuations.... The power consumed when it is at room temperature to 32 K. which of the CBSE syllabus and form of... Problem in his house but it lasted only for few hours and circuit broke of in... Of students three samples in how will its: ( a ) the voltage-current ( V-I ) graph a! Teacher told that the circuit when all the apparatus for performing the experiment to find equivalent.! Then five such combinations are joined in series the value of the combination study the?... Of rating 80 W each for 6 hours daily 5 s. question_answer62 ) happens! To double its length working at full efficiency, each of resistance R is cut into ten parts of length! - 1.How the charge will flow we are providing you a complete CBSE Class 10 Science with Answers )... Room temperature to 32 K. which of the two temperatures is higher and why it... C ) which of the total resistance between the points a and b is highest features. Dissipated in the two terminals of a cell resistivity and State its SI.... Two different temperatures to three identical lamps P, Q and R shown! Is seen in the given circuit diagram questions have been suggested by Monika watt... 'S law as shown question_answer33 ) What happens to the other of manganin ( an alloy ) have same! Question_Answer12 ) What would be the same source ) Manish had a high melting point manganin an! Of and are three identical bulbs connected as shown in figure complete CBSE Class 10 Science chapter.

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