This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 12 Electricity – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 12 Electricity Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The minimum energy to an electron to get out of the metallic head A) Work is involved. B) Minimum involvement. C) Involved. D) Maximum involvement. Show Answer Correct Answer: A) Work is involved. 2. A student was playing music on her new cell phone. The teacher explained that the phone was powered by a battery. The teacher then asked her to explain what was happening to the energy in her new phone. How could she best explain this to the class? A) Electric energy is transformed into sound energy. B) Light energy is transformed into sound energy. C) Sound energy is transformed into electric energy. D) Sound energy is transformed into electric energy. Show Answer Correct Answer: A) Electric energy is transformed into sound energy. 3. If the voltage is 12V and the resistance is 4$\Omega$, what is the current? A) Chap. B) Any. C) For. D) Chap. Show Answer Correct Answer: C) For. 4. The resistance when the length of the insulated increases ..... A) Rises. B) Diminishes. C) Does not change. D) High insertion of all. Show Answer Correct Answer: A) Rises. 5. The ratio of voltage and electric current in a closed circuit will A) Increases. B) Decreases. C) Remains constant. D) Varies. Show Answer Correct Answer: C) Remains constant. 6. The hindrance presented by material of conductor to the smooth passing of electric current is known as: A) Resistance. B) Conductance. C) Inductance. D) None of these. Show Answer Correct Answer: A) Resistance. 7. Tungsten is used as filament in lamps. Why? A) High melting point. B) High resistivity. C) Low oxidation. D) All the above. Show Answer Correct Answer: D) All the above. 8. Q (Coolam) is a A) S.I. of electric charge. B) S.I. C) S.I. of power capacity. D) Postpartum S.I. Show Answer Correct Answer: A) S.I. of electric charge. 9. The relation between potential difference (V) and current (I) is: A) V a i2. B) V $\alpha$ 1/I. C) V2 $\alpha$ I. D) V $\alpha$ I. Show Answer Correct Answer: D) V $\alpha$ I. 10. How to assemble an Old meter in the power circuit A) In serial order. B) Parallelly. C) Twice. D) What is not. Show Answer Correct Answer: B) Parallelly. 11. Electric current flows from A) Detect electric current. B) Negative terminal to positive terminal. C) Positive terminal to negative terminal. D) The flow rate of electric charges through a conductor. Show Answer Correct Answer: C) Positive terminal to negative terminal. 12. What is the unit for resistance? A) Volts. B) Amperes. C) Ohms. D) None of the above. Show Answer Correct Answer: C) Ohms. 13. How does increasing the resistance affect the current in a circuit? A) Increasing resistance decreases the current in a circuit. B) Increasing resistance causes the current to fluctuate unpredictably. C) Increasing resistance has no effect on the current in a circuit. D) Increasing resistance increases the current in a circuit. Show Answer Correct Answer: A) Increasing resistance decreases the current in a circuit. 14. The SI unit of potential difference is A) Ampere, A. B) Was, v. C) Ohm, $\Omega$. D) Watt, W. Show Answer Correct Answer: B) Was, v. 15. A Current of 0.5 A is drawn by a filament of an electric bulb for 10 mins. find the amount of electric charge that flows through the circuit? A) 300 C. B) 100C. C) 290 C. D) 8000 C. Show Answer Correct Answer: A) 300 C. 16. A fuse wire repeatedly gets burnt when used with a good heater. It is advised to use a fuse wire of- A) More length. B) Less radius. C) Less length. D) More radius. Show Answer Correct Answer: D) More radius. 17. What is the formula for calculating electric power in terms of voltage and current? A) P = V / I. B) P = V * I. C) P = I / V. D) P = V + I. Show Answer Correct Answer: B) P = V * I. 18. To get 2 $\Omega$ $\Omega$ A) 2. B) 3. C) 4. D) 6. Show Answer Correct Answer: B) 3. 19. One volt is thepotential difference between two points in a current carrying conductor when 1 joule of work is done to move a charge of 1 coulomb from one point to the other. A) 1V=1W/1A. B) 1V=1J/1A. C) 1V=1J/1C. D) NONE OF THESE. Show Answer Correct Answer: C) 1V=1J/1C. 20. Which subatomic particles have a positive charge? A) Neutrons. B) Electrons. C) Protons. D) None of the above. Show Answer Correct Answer: C) Protons. 21. What is used to measure electric current? A) Voltmeter. B) Ammeter. C) Wattmeter. D) PH meter. Show Answer Correct Answer: B) Ammeter. 22. The other name of potential difference is: A) Amphereage. B) Wattage. C) Voltage. D) Potential energy. Show Answer Correct Answer: C) Voltage. 23. The potential difference that causes charges to move in a circuit is ..... A) Voltage. B) Resistance. C) Current. D) Electric discharge. Show Answer Correct Answer: A) Voltage. 24. How can an electrical capacity be defined A) The use rate of electric power. B) Work rate. C) The characteristic of the divisions and the current of the current. D) Everything is okay. Show Answer Correct Answer: D) Everything is okay. 25. An electric bulb is connected to a 220V generator. The current is 0.50 A. What is the power of the bulb? A) 0.0023 W. B) 55 W. C) 110 W. D) 440 W. Show Answer Correct Answer: C) 110 W. ← PreviousNext →Related QuizzesClass 10 Science Chapter 12 Electricity Quiz 1Class 10 Science Chapter 12 Electricity Quiz 2Class 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 6Class 10 Science Chapter 12 Electricity Quiz 7Class 10 Science Chapter 12 Electricity Quiz 8Class 10 Science Chapter 12 Electricity Quiz 9Class 10 Science Chapter 12 Electricity Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books