This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Science > Electricity > Class 10 Science Chapter 12 Electricity – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 12 Electricity Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The heat released in carrier wire in the carrier's heating rule A) Is in direct proportion to the carrier's rod. B) The carrier is in direct proportion to the current current of the current. C) Is in direct proportion to the time of the current flowing in the carrier. D) All these factors are correct. Show Answer Correct Answer: D) All these factors are correct. 2. Electricity is a form of energy involving the flow of atoms. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 3. How to attach home electrical equipment to an electrical circle A) Should be assembled in parallel order. B) Should be assembled in serial order. C) Can be assembled by two types. D) Do not have a pair. Show Answer Correct Answer: A) Should be assembled in parallel order. 4. The only charges that can move from one object to another are ..... charges. A) Positive. B) Negative. C) Neutral. D) Electric. Show Answer Correct Answer: B) Negative. 5. What is Resistance? A) A battery. B) Electric potential difference. C) The ability to reduce the flow of electrons. D) The flow of electrons. Show Answer Correct Answer: C) The ability to reduce the flow of electrons. 6. A neutral object becomes negatively charged when it loses electrons. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. If the lenght of the wire is doubled and its area of cross section is also doubled then the resistance will be A) Increase eight times. B) Remain unchanged. C) Decrease four times. D) Become four times. Show Answer Correct Answer: B) Remain unchanged. 8. Who is the scientist who experimented on the ointment? A) R A Milli Khan. B) Jay Jay Thomson. C) Rutherford. D) Herge. Show Answer Correct Answer: A) R A Milli Khan. 9. A parallel circuit has more than one path for electricity to flow A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. The ratio of voltage and electric current in a closed circuit A) Decreases. B) Increases. C) Remain constant. D) Varies. Show Answer Correct Answer: C) Remain constant. 11. A wire of resistance 20 ohm is bent into a circle what will be the resistance across the diagonal A) 5 ohm. B) 10 ohm. C) 2.5 ohm. D) 20 ohm. Show Answer Correct Answer: A) 5 ohm. 12. How much work is done in moving a charge of 2C across 2 points having a potential difference? A) 23 J. B) 21 J. C) 20 J. D) 24 J. Show Answer Correct Answer: D) 24 J. 13. The formula of the electric stream A) T = qi. B) Q = I/t. C) I = t/Q. D) I = Q/t. Show Answer Correct Answer: D) I = Q/t. 14. An electric heater is rated at 2 Kw. Electrical energy costs Rs 4 per k Wh. What is the cost of using the heater for 3 hours? A) 12. B) 36. C) 24. D) 48. Show Answer Correct Answer: C) 24. 15. Conduction is the process of charging an object without touching it. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 16. Its rods when the carrier heats up A) Will increase. B) First increases afterwards. C) Will be reduced. D) Does not change. Show Answer Correct Answer: A) Will increase. 17. If a net charge Q, flows across any cross-section of a conductor in time t, then the current I, through the cross-section is A) Q=I/t. B) I=Q/t. C) I=Qt. D) None of these. Show Answer Correct Answer: B) I=Q/t. 18. Which of the following is true about a bar magnet? A) The north pole is stronger than the south pole. B) The south pole is stronger than the north pole. C) Its magnetic field is strongest near its center. D) It is surrounded by a magnetic field. Show Answer Correct Answer: D) It is surrounded by a magnetic field. 19. If the current in a circuit is 10 amps and the resistance is 3 ohms, what is the voltage? A) 30V. B) Z. C) 0. D) None of the above. Show Answer Correct Answer: A) 30V. 20. What is Ohm's Law? A) Ohm's Law is V = I * R. B) Ohm's Law is I = V + R. C) Ohm's Law states that R = V / I. D) Ohm's Law defines power as P = I / R. Show Answer Correct Answer: A) Ohm's Law is V = I * R. 21. An electric fuse works on the: A) Chemical effect of current. B) Lighting effect of current. C) Heating effect of current. D) Magnetic effect of current. Show Answer Correct Answer: C) Heating effect of current. 22. An example of a voltage source is a ..... A) Battery. B) Voltmeter. C) Resistance. D) Switch. Show Answer Correct Answer: A) Battery. 23. What is called the difference of charges at the two ends of the conductive wire A) Electric power. B) Electric current. C) Electric. D) Disintegration. Show Answer Correct Answer: D) Disintegration. 24. When 'n' number of resistors are connected in parallel, the effective resistance for parallel is A) N. B) NR. C) R/n. D) None. Show Answer Correct Answer: C) R/n. 25. How can you calculate the equivalent resistance of two resistors in series? A) R eq = R1 / R2. B) R eq = R1 * R2. C) R eq = R1 + R2. D) R eq = R1-R2. Show Answer Correct Answer: C) R eq = R1 + R2. 26. What is the unit of resistance? A) Watt. B) Ohm. C) Joule. D) Volt. Show Answer Correct Answer: B) Ohm. 27. Two resistances of 100 ohm and 0 ohm are connected in parallel. The overall resistance will be A) 100. B) 25. C) 50. D) 0. Show Answer Correct Answer: D) 0. 28. A wire of resistance 20 ohm is bent to form a regular pentagon ABCDE. what will be the resistance between the points A and B A) 1.6 ohm. B) 16 ohm. C) 20 ohm. D) 3.2 ohm. Show Answer Correct Answer: D) 3.2 ohm. 29. SI UNIT OF RESISTANCE A) Coulomb. B) Ampere. C) Ohm. D) Volt. Show Answer Correct Answer: C) Ohm. 30. Manganin is an alloy of:A. CopperB. ManganeseC. NickelD. Platinum A) A and C. B) All of these. C) A and B. D) A, B and C. Show Answer Correct Answer: D) A, B and C. 31. In a parallel circuit, the total current is: A) The sum of individual currents. B) The product of individual currents. C) Equal to the smallest current. D) Equal to the largest current. Show Answer Correct Answer: A) The sum of individual currents. 32. The power fuse is based on what rule A) Juna. B) The rule of the rage. C) The rule of electric current. D) Oman. Show Answer Correct Answer: A) Juna. 33. Commercial unit of electric energy is A) Joule-hour. B) Joule. C) Watt. D) Kilowatt hour. Show Answer Correct Answer: D) Kilowatt hour. 34. Thicker wires have ..... resistance than thinner wires. A) More. B) Less. C) The same. D) None of the above. Show Answer Correct Answer: B) Less. 35. A component of an electrical flood A) Electric. B) Electric current. C) Electricity. D) Disintegration. Show Answer Correct Answer: A) Electric. 36. Kilowatt-hour is the unit of A) Resistivity. B) Conductivity. C) Electrical energy. D) Electrical power. Show Answer Correct Answer: C) Electrical energy. 37. A current of 0.5 A is drawn by a filament of an electric bulb for 10 minutes. Find the amount of electric charge that flows through the circuit. A) 200C. B) 300C. C) 100C. D) 400C. Show Answer Correct Answer: B) 300C. 38. A fuse is connected in A) Series. B) Parallel. C) Across the switch board. D) None of the above. Show Answer Correct Answer: A) Series. 39. In a filament type light bulb, most of the electric power consumed appears as? A) Ultraviolet rays. B) Visible light. C) Fluorescent light. D) Infra-red rays. Show Answer Correct Answer: D) Infra-red rays. 40. Which of the following electrical appliances does not make use of a variable resistor? A) Electric kettle. B) Dimmers in cinemas. C) Volume controls in radio. D) Speed control of a toy car. Show Answer Correct Answer: A) Electric kettle. 41. The unit of electric current A) Amp. B) Volt. C) Watt. D) Clan. Show Answer Correct Answer: A) Amp. 42. A closed and continuous path of electric current is known as A) Filament. B) Electric circuit. C) Electric field. D) Magnetic field. Show Answer Correct Answer: B) Electric circuit. 43. Resistance is a measure of material's opposition to A) Voltage. B) Electric force. C) Current. D) None of the above. Show Answer Correct Answer: C) Current. 44. The rate of electric energy loss in a thermal device due to resistance R is given by:A. P = I$^{2}$/RB. P = V$^{2}$/RC. P = I$^{2}$/VD. P = V/I A) A and B. B) B and C. C) A and D. D) A and C. Show Answer Correct Answer: A) A and B. 45. The unit of potential difference is A) Watt. B) Ampere. C) Volt. D) Faraday. Show Answer Correct Answer: C) Volt. 46. What is the formula of Quantization of charge? A) $ I = no $. B) $Q=DS$. C) $ Q = nbled $. D) $Q=NT$. Show Answer Correct Answer: A) $ I = no $. 47. The code of electric power A) B = PT. B) P = you. C) I=PV. D) P=I. Show Answer Correct Answer: B) P = you. 48. What is a closed path for electrons to flow through? A) Static electricity. B) Circuit. C) Amperes. D) None of the above. Show Answer Correct Answer: B) Circuit. 49. If a device uses 60W of power at 120V, what is the current flowing through it? A) 0.KA. B) Any. C) 0. My brother. D) 1A. Show Answer Correct Answer: A) 0.KA. 50. What are the basic components of an electric circuit A) Energy source. B) Connecting wires. C) Switch. D) All of the above. Show Answer Correct Answer: D) All of the above. 51. Two unequal resistances are connected in parallel. Which of the following statement is true A) Current in same in both. B) Current is larger in higher resistance. C) Voltage-drop is same across both. D) Voltage-drop is lower in lower resistance. Show Answer Correct Answer: D) Voltage-drop is lower in lower resistance. 52. The relation between potential difference (V) and current (I) was discovered by: A) Ampere. B) Newton. C) Ohm. D) Time. Show Answer Correct Answer: C) Ohm. 53. Rate at which electric charges pass through a given area. A) Voltage. B) Electric Current. C) Resistance. D) Capacitance. Show Answer Correct Answer: B) Electric Current. 54. The device used in the power circuit to test continuity of the power stream A) Electric cell. B) Electric bulb. C) Amit. D) An electric bulb and a mammiter. Show Answer Correct Answer: C) Amit. 55. The instrument used for measuring electric current is? A) Voltmeter. B) Galvanometer. C) Potentiometer. D) Ammeter. Show Answer Correct Answer: D) Ammeter. 56. How do you calculate the total resistance in a parallel circuit? A) R total = R1 * R2 / (R1 + R2). B) R total = 1 / (1/R1 + 1/R2 + + 1/Rn). C) R total = R1 + R2 + + Rn. D) R total = R1-R2- -Rn. Show Answer Correct Answer: B) R total = 1 / (1/R1 + 1/R2 + + 1/Rn). 57. Electric power is inversely proportional to A) Current. B) Resistance. C) Temperature. D) Voltage. Show Answer Correct Answer: B) Resistance. 58. Electrical resistance is low in a good conductor. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 59. SI Unit of Work? A) Joule. B) Ampere. C) Couloumb. D) Volt. Show Answer Correct Answer: A) Joule. 60. If the battery in a circuit is 24 V and the resistance is 12 ohms, what is the current, I? A) Any. B) 0.KA. C) 288A. D) None of the above. Show Answer Correct Answer: A) Any. ← PreviousNext →Related QuizzesScience QuizzesClass 10 QuizzesClass 10 Science Chapter 12 Electricity Quiz 1Class 10 Science Chapter 12 Electricity Quiz 3Class 10 Science Chapter 12 Electricity Quiz 4Class 10 Science Chapter 12 Electricity Quiz 5Class 10 Science Chapter 12 Electricity Quiz 6 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books