This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physics (Part I) Chapter 3 Current Electricity – Quiz 44 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physics (Part I) Chapter 3 Current Electricity Quiz 44 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An electrical component that we use in electronics circuits to limit current though an active component or to reduce voltage in the circuit. A) Capacitor. B) Current. C) Resistor. D) Ancestor. Show Answer Correct Answer: C) Resistor. 2. The internal resistance of a 2.1 V cellwhich gives a current of 0.2 A througha resistance of 10 $\Omega$ is A) 0.2$\Omega$. B) 0.5$\Omega$. C) 0.8$\Omega$. D) 1.0$\Omega$. Show Answer Correct Answer: B) 0.5$\Omega$. 3. A charge of 500 C flows through a bulb for 5 min, then the amount of current flowing through the circuit is A) 20 A. B) 500 A. C) 10 A. D) 1.6 A. Show Answer Correct Answer: D) 1.6 A. 4. A car is moving on a banked track of radius 10m with a constant speed of 10 m/s. The angle of banking is ..... (g = 10 m/s$^{2}$) A) 90$^{0}$. B) 60$^{0}$. C) 45$^{0}$. D) 30$^{0}$. Show Answer Correct Answer: C) 45$^{0}$. 5. A way to protect a circuit from dangerous high currents-the strip melts creating an open circuit A) Resistor. B) Fuse. C) Amperes. D) Cell. Show Answer Correct Answer: B) Fuse. 6. Current electricity is a form of energy when the charges are the rest. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 7. This type of electricity is known as static electricity. A) Human Harnessed Electricity. B) Naturally Occurring Electricity. C) Current Electricity. D) None of the above. Show Answer Correct Answer: B) Naturally Occurring Electricity. 8. To protect wiring from excessive passing of current is A) Voltmeter. B) Fuse. C) Galvanometer. D) Resistance. Show Answer Correct Answer: B) Fuse. 9. Metals are good conductors of electricity. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 10. What is static electricity? A) A continuous flow of electrons. B) A single, sudden transfer of electrons. C) A constant movement of neutrons. D) None of the above. Show Answer Correct Answer: B) A single, sudden transfer of electrons. 11. The graph between resistivity and temperature, for a limited range of temperatures, is a straight line for a material like A) Copper. B) Nichrome. C) Silicon. D) Gallium arsenide. Show Answer Correct Answer: B) Nichrome. 12. Nichrome wire is used as the heating element beacause it has A) Low specific resistance. B) Low melting point. C) High specific resistance. D) High conductivity. Show Answer Correct Answer: C) High specific resistance. 13. A current 1.5 A is drawn by an electric bulb for 10 min, then the amount of electric charge is A) 300 C. B) 400 C. C) 900 C. D) 1000 C. Show Answer Correct Answer: C) 900 C. 14. How does temperature affect the resistivity of conductors? A) Temperature increases resistivity in conductors. B) Resistivity is only affected by material type, not temperature. C) Temperature has no effect on resistivity. D) Higher temperatures decrease resistivity in conductors. Show Answer Correct Answer: A) Temperature increases resistivity in conductors. 15. Why copper is a good conductor of electricity? A) Because it's a solid. B) Because it contains free electron. C) Because it doesn't contain free electrons. D) None of these. Show Answer Correct Answer: B) Because it contains free electron. 16. Connects objects to cells separately so there are 2 paths for electricity to flow A) Series circuit. B) Parallel circuit. C) Terminals. D) Filament. Show Answer Correct Answer: B) Parallel circuit. 17. Which component would you use to indicate that a current may be flowing? A) Voltmeter. B) Buzzer. C) Cell. D) Resistor. Show Answer Correct Answer: B) Buzzer. 18. Objects that allow thermal and electrical energy to pass through easily. A) Conductors. B) Insulators. C) Magnets. D) Flows. Show Answer Correct Answer: A) Conductors. 19. If you take one light bulb out of a parallel circuit, all the lights will go out. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 20. Isha was doing an experiment to see how electricity behaves in a magnetic field. She sets up the north pole of one magnet on the right and the south pole of another on the left. This made the magnetic field lines point ..... A) The the right. B) To the left. C) Down. D) Up. Show Answer Correct Answer: B) To the left. 21. Describe a series circuit. A) A circuit that has multiple branches. B) A circuit that has one path. C) A circuit that dead ends after a light bulb. D) None of the above. Show Answer Correct Answer: B) A circuit that has one path. 22. In Physics, an ideal ammeter has ..... A) A 10A fuse. B) Infinite resistance. C) An autoranging function. D) Zero resistance. Show Answer Correct Answer: D) Zero resistance. 23. Which of the following materials is commonly used to make the core of an electromagnet? A) Copper. B) Iron. C) Aluminum. D) Plastic. Show Answer Correct Answer: B) Iron. 24. Plugging too many devices into one circuit can cause too much ..... to go through a ..... A) Current, wire. B) Current, power plant. C) Current, outlet. D) Ice cream, cone. Show Answer Correct Answer: A) Current, wire. 25. The type of circuit that requires a circuit breaker and why A) Series, because the total current increases when resistors are added. B) Series, because the total current decreases when resistors are added. C) Parallel, because the total current increases when resistors are added. D) Parallel, because the total current decreases when resistors are added. Show Answer Correct Answer: C) Parallel, because the total current increases when resistors are added. ← 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