This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physics (Part I) Chapter 3 Current Electricity – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physics (Part I) Chapter 3 Current Electricity Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A ..... is good at conducting electricity A) Conductor. B) Resistor. C) Circuit. D) None of the above. Show Answer Correct Answer: A) Conductor. 2. Negative charge moving through a wire A) Static Electricity. B) Current Electricity. C) All the above. D) None of the above. Show Answer Correct Answer: B) Current Electricity. 3. Why would two electrons repel each other if they were close together? A) They have like charges, so they experience an attractive force. B) They have opposite charges, so they experience repulsive forces. C) They have like charges, so they experience a repulsive force. D) They have opposite charges, so they experience an attractive force. Show Answer Correct Answer: C) They have like charges, so they experience a repulsive force. 4. Which has low resistance? A) Thick wire. B) Thin wire. C) Insulated wire. D) Long wire. Show Answer Correct Answer: A) Thick wire. 5. What is the slope of the I-V graph for a metallic conductor? A) Resistance of the conductor. B) Potential difference. C) Current. D) Conductance. Show Answer Correct Answer: A) Resistance of the conductor. 6. Static electricity occurs when charges build up on an object instead of flowing. The static charge on the object can build up in one of four ways. Which of the following is NOT one of those four ways? A) Friction. B) Conduction. C) Convection. D) Induction. Show Answer Correct Answer: C) Convection. 7. There is only one path for the electrons to follow A) Conductor. B) Insulator. C) Parallel circuit. D) Series circuit. Show Answer Correct Answer: D) Series circuit. 8. ..... is a scalar quantity. A) Force. B) Acceleration. C) Velocity. D) Electric current. Show Answer Correct Answer: D) Electric current. 9. What is the unit of charge? A) Ampere. B) Coulomb. C) Volt. D) None of these. Show Answer Correct Answer: B) Coulomb. 10. Electrical energy can be changed to ..... energy in stoves, toasters, and ovens. A) Sound. B) Light. C) Heat. D) Motion. Show Answer Correct Answer: C) Heat. 11. Aluminum foil A) Conductor. B) Insulator. C) All the above. D) None of the above. Show Answer Correct Answer: A) Conductor. 12. How is potential difference measured in a circuit? A) Ammeter. B) Ohmmeter. C) Wattmeter. D) Voltmeter. Show Answer Correct Answer: D) Voltmeter. 13. An electric current flowing in a wire creates ..... around the wire A) Electric. B) Potential. C) Magnetism. D) Electromagnetism. Show Answer Correct Answer: C) Magnetism. 14. Electricity flows 1 way one path A) Series circuit. B) Static electricity. C) Short circuit. D) Parallel circuit. Show Answer Correct Answer: A) Series circuit. 15. Electrons flow from the ..... terminal of the battery to the ..... terminal of the battery. A) Positive to negative. B) Negative to positive. C) All the above. D) None of the above. Show Answer Correct Answer: B) Negative to positive. 16. A potential difference across 24 $\Omega$ resistor is 12 V . What is the current through the resistor? A) 0.4 A. B) 0.3 A. C) 0.2 A. D) 0.5 A. Show Answer Correct Answer: D) 0.5 A. 17. Materials that easily loose or accept electrons are considered A) Good conductors. B) Good insulators. C) Good anti-static agents. D) Good for storing charge. Show Answer Correct Answer: A) Good conductors. 18. What type of electricity is used for our lights, motors, devices, etc? A) Static electricity. B) Current electricity. C) All the above. D) None of the above. Show Answer Correct Answer: B) Current electricity. 19. Six identical cells, each of emf of 6V, are connected in parallel, The net emf across the battery is A) 6V. B) 36V. C) 0 V. D) Between 6v and 36 v. Show Answer Correct Answer: A) 6V. 20. When does Ohm's law hold true? A) When the temperature of the conductor remains constant. B) When the length of the conductor is doubled. C) When the thickness of the conductor is increased. D) When the material of the conductor is changed. Show Answer Correct Answer: A) When the temperature of the conductor remains constant. 21. How can the electric charge be established? A) Electrons can be removed from atoms and accumulated to produce a negative charge. B) Atoms from which electrons have been removed produce a positive electric charge. C) Both A and B. D) Neither A nor B. Show Answer Correct Answer: C) Both A and B. 22. As more resistors are added in series to a constant voltage source, the power supplied by the source A) Increases. B) Decreases. C) Does not change. D) Increases for a time and then starts to decrease. Show Answer Correct Answer: B) Decreases. 23. If two batteries are in a circuit and the positive side is touching the positive side will the circuit work? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 24. A 60-watt light bulb carries a current of 0.5 A. The total charge passing through it in one hour is: A) 3600 C. B) 3000 C. C) 2400 C. D) 1800 C. Show Answer Correct Answer: D) 1800 C. 25. Which of the following statements about a parallel circuit that has bulbs on each wire is not correct? A) If one bulb filament breaks the other bulbs will remain on. B) Switches can be placed throughout the circuit so that different bulbs can be turned on and off. C) The current around the circuit will be the same at all points. D) Parallel circuits are used in the home for lighting. Show Answer Correct Answer: C) The current around the circuit will be the same at all points. ← PreviousNext →Related QuizzesClass 12 Physics (Part I) Chapter 3 Current Electricity Quiz 1Class 12 Physics (Part I) Chapter 3 Current Electricity Quiz 2Class 12 Physics (Part I) Chapter 3 Current Electricity Quiz 3Class 12 Physics (Part I) Chapter 3 Current Electricity Quiz 4Class 12 Physics (Part I) Chapter 3 Current Electricity Quiz 5Class 12 Physics (Part I) Chapter 3 Current Electricity Quiz 6Class 12 Physics (Part I) Chapter 3 Current Electricity Quiz 7Class 12 Physics (Part I) Chapter 3 Current Electricity Quiz 8Class 12 Physics (Part I) Chapter 3 Current Electricity Quiz 9Class 12 Physics (Part I) Chapter 3 Current Electricity Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books