This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physics (Part I) Chapter 3 Current Electricity – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physics (Part I) Chapter 3 Current Electricity Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the time taken when 1500 C of charge flows through a fixed point to give a current of 10 A? A) 1.5 min. B) 2.0 min. C) 2.5 min. D) 3.0 min. Show Answer Correct Answer: C) 2.5 min. 2. The 2 types Electricity are A) Static. B) Current. C) Static and Current. D) Non of the above. Show Answer Correct Answer: C) Static and Current. 3. A material that allows the free flow of electric charges. A) Conductor. B) Insulator. C) Semiconductor. D) None of the above. Show Answer Correct Answer: A) Conductor. 4. A current of 2A passing through the conductor produces 80 J of heat in 10 seconds. The resistance of the conductor is A) 0.5 ohm. B) 2 ohm. C) 4 ohm. D) 20 ohm. Show Answer Correct Answer: B) 2 ohm. 5. An electric bulb is connected to a 240 V generator, The current drawn is 0.25 A. Then the power of the bulb is A) 60 W. B) 600 W. C) 0.6 W. D) 24 W. Show Answer Correct Answer: A) 60 W. 6. Three resistors of 2 ohm, 3 ohm and 5 ohm are connected in series with a 10 V battery. What is the power dissipated by the 5 ohm resistor in 10 seconds? A) 5 W. B) 50 W. C) 20 W. D) 200 W. Show Answer Correct Answer: A) 5 W. 7. Which of the following would increase the electrical resistance in a wirte? A) Use a less dense material for the wire. B) Shorten the length of the wire. C) Increase the diameter of the wire. D) Increase the temperature of the wire. Show Answer Correct Answer: D) Increase the temperature of the wire. 8. Attract means A) To pull toward each other. B) Either a negative (-) or positive (+) charge. C) To push away from each other. D) Neither positive nor negative. Show Answer Correct Answer: A) To pull toward each other. 9. Energy may be measured in: A) Kilowatt. B) Joulesecond. C) Volt/ohm. D) Wattsecond. Show Answer Correct Answer: D) Wattsecond. 10. Which material is a good conductor of electricity? A) Rubber. B) Glass. C) Copper. D) Wood. Show Answer Correct Answer: C) Copper. 11. This circuit has more than one loop. When one light goes out, the others stay on. A) Closed circuit. B) Series circuit. C) Parallel circuit. D) Open circuit. Show Answer Correct Answer: C) Parallel circuit. 12. What 1 kW is equivalent to ..... watts? A) 100 W. B) 1, 000 W. C) 10, 000 W. D) 10 W. Show Answer Correct Answer: B) 1, 000 W. 13. What is emf? A) The electro motive "force" or the force on electrons. B) The electromotive "force" or the Voltage of a cell measured when there is no current flowing. C) The electromotive "field" or the Voltage of a cell measured when there is no current. D) The electromotive "force" or Voltage of a cell measured when connected to a circuit. Show Answer Correct Answer: B) The electromotive "force" or the Voltage of a cell measured when there is no current flowing. 14. A current of 5 Amp is allowed to flow through a wire of cross sectional area 5 mm$^{2}$. What will be the current density if the area vector describes an angle of 90$^{0}$ to the electric current A) 2 x 10$^{-5 }$Am$^{-2}$. B) 2 x 10$^{-6 }$Am$^{-2}$. C) 5 x 10$^{-5 }$Am$^{-2}$. D) 0. Show Answer Correct Answer: D) 0. 15. Eel has ..... pair of organs to produce electricity. A) One. B) Two. C) Three. D) None of the above. Show Answer Correct Answer: C) Three. 16. Electricity is ..... A) The presence and flow of electrons in two directions. B) The presence and flow of electrons in one direction. C) All the above. D) None of the above. Show Answer Correct Answer: B) The presence and flow of electrons in one direction. 17. If a 15 $\Omega$ resistor is connected to 30 V, what is the current through the resistor? (I=V/R) ***You will need to show the work for this problem on paper*** A) 2 A. B) 4 A. C) 6 A. D) 8 A. Show Answer Correct Answer: A) 2 A. 18. What is the voltage of a 60 ohm, 2 amp device? A) 30 volts. B) 0.033 volts. C) 10.95 volts. D) 120 volts. Show Answer Correct Answer: D) 120 volts. 19. Interactions between electric charges A) Solar cells. B) Energy. C) Electricity. D) Motor. Show Answer Correct Answer: C) Electricity. 20. Which one is vector quantity? A) Electric current. B) Electric charge. C) Electric potential. D) Current density. Show Answer Correct Answer: D) Current density. 21. The value of resistance for the colour code of the give resistor is ..... green, blue, orange and gold A) 56 ohm. B) 46ohm. C) 56 kohm+or-10%. D) 56 kohm +or-5%. Show Answer Correct Answer: D) 56 kohm +or-5%. 22. How does a transformer help electricity get to your home? A) They fight Optimus Prime. B) Transformers create the electricity for your home. C) Transformers carry the electricity to your home. D) Transformers lower the power of the electricity so it can enter your home. Show Answer Correct Answer: D) Transformers lower the power of the electricity so it can enter your home. 23. Non-metals are good insulators. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 24. In order to build an electromagnet you would need ..... A) A battery and a wire. B) A battery, a light bulb, and a wire. C) A battery, a wire, and an iron core. D) A battery, a wire, and a compass. Show Answer Correct Answer: C) A battery, a wire, and an iron core. 25. A 15 volt battery supplies voltage to 3 bulbs. How much voltage would each bulb get? A) 15 volts. B) 5 volts. C) All the above. D) None of the above. Show Answer Correct Answer: B) 5 volts. ← 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