This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physics (Part I) Chapter 3 Current Electricity – Quiz 37 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physics (Part I) Chapter 3 Current Electricity Quiz 37 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How does a generator create current? A) By using an electromagnet. B) By using an internal combustion engine. C) By using a fan. D) By using energy from the sun. Show Answer Correct Answer: A) By using an electromagnet. 2. Mathematical expression for Ohm's law is ..... A) V = I R. B) R = V I. C) I = V R. D) None of the above. Show Answer Correct Answer: A) V = I R. 3. In a series circuit, the receivers do what with the electricity? A) Get rid of it. B) Share it. C) Lose it. D) None of the above. Show Answer Correct Answer: B) Share it. 4. What is the term for the work done per unit charge in a circuit? A) Power. B) Resistance. C) Voltage. D) Current. Show Answer Correct Answer: C) Voltage. 5. What type of electrical circuit provides more than one pathway for electrical current? A) Parallel Circuit. B) Series Circuit. C) Multiple Circuit. D) None of the above. Show Answer Correct Answer: A) Parallel Circuit. 6. What is the effect of increasing resistance in a circuit on the current? A) Current increases. B) Current decreases. C) Current remains the same. D) Current fluctuates. Show Answer Correct Answer: B) Current decreases. 7. Which of these items radiate heat energy? A) Oven, hair dryer, toaster. B) Shower, toaster, vacuum. C) Sun, toaster, TV. D) None of the above. Show Answer Correct Answer: A) Oven, hair dryer, toaster. 8. A flow of electric charges is ..... A) An insulator. B) A circuit. C) A conductor. D) An electric current. Show Answer Correct Answer: D) An electric current. 9. True or False:The location on an electric circuit where the charge possesses the greatest amount of electric potential energy is the + terminal of the battery. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. A switch that protects circuits from dangerous high currents-the switch will push open to create and open circuit A) Fuse. B) Filament. C) Circuit breaker. D) Amperes. Show Answer Correct Answer: C) Circuit breaker. 11. Which of these colors is NOT used in the resistor's color code value? A) White. B) Black. C) Pink. D) Violet. Show Answer Correct Answer: C) Pink. 12. Which of the following is an example of a real-world application of current electricity? A) A magnet attracting iron filings. B) A solar panel converting sunlight into electricity. C) A light bulb lighting up when connected to a battery. D) A balloon sticking to a wall after being rubbed. Show Answer Correct Answer: C) A light bulb lighting up when connected to a battery. 13. What is the unit of electric current? A) Ampere. B) Volt. C) Ohm. D) Watt. Show Answer Correct Answer: A) Ampere. 14. What does a voltmeter measure? A) Current. B) Voltage. C) Resistance. D) None of the above. Show Answer Correct Answer: B) Voltage. 15. Wires X and Y are made from the same material. X has a resistance of $48\Omega$ A) 12 $\Omega$. B) 24 $\Omega$. C) 48 $\Omega$. D) 96 $\Omega$. Show Answer Correct Answer: A) 12 $\Omega$. 16. The conductivity of a semiconductor ..... rapidly with temperature A) Increases. B) Decreases. C) All the above. D) None of the above. Show Answer Correct Answer: A) Increases. 17. You open a circuit when you turn a light off. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. In a parallel circuit which wires have the hightest amount of amps? A) The one farthers away from the battery. B) The closed wires to the battery. C) The ones next to the bulbs. D) None of the above. Show Answer Correct Answer: B) The closed wires to the battery. 19. A bulb marked 220 V, 40 W, calculate current flowing through the bulb and its resistance A) 1210 ohm, 0.18 A. B) 1200 ohm, 1.8 A. C) 121 ohm, 0.18 A. D) 1200 ohm, 0.18 A. Show Answer Correct Answer: A) 1210 ohm, 0.18 A. 20. Which of the following is NOT a situation caused by static electricity? A) Hair stands on end when touching a static electricity generator. B) You get a electric shock when touching a doorknob during dry winter. C) Your hair stands on end when you are frightened. D) Clothes in the dryer cling to one another when no fabric softener is used. Show Answer Correct Answer: C) Your hair stands on end when you are frightened. 21. In an experiment of wheatstone bridge, the position of galvanometer and cell is interchanged, then balanced point will be A) Will change. B) Remains unchanged. C) Depends upon internal resistance and resistance of galvanometer. D) None of these. Show Answer Correct Answer: B) Remains unchanged. 22. A material that reduces current flow in a circuit. A) Current. B) Voltage. C) Ampere. D) Resistor. Show Answer Correct Answer: D) Resistor. 23. What is the difference between current electricity and static electricity? A) Current electricity flows through a conductor, while static electricity is stationary. B) Current electricity is stationary, while static electricity flows through a conductor. C) Both are forms of electricity that flow through conductors. D) None of the above. Show Answer Correct Answer: A) Current electricity flows through a conductor, while static electricity is stationary. 24. What color that has a multiplier of x1000 A) Red. B) Orange. C) Blue. D) Brown. Show Answer Correct Answer: B) Orange. 25. A complete circuit has ..... A) A motor in it. B) A switch in it. C) Two bulbs in it. D) No breaks in it. Show Answer Correct Answer: D) No breaks in it. ← 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