This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 12 Electricity – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 12 Electricity Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Electric power is inversely proportional to A) Resistance. B) Voltage. C) Current. D) Temperature. Show Answer Correct Answer: A) Resistance. 2. Electrical resistance is low in a good conductor. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. SI Unit of Work? A) Ampere. B) Joule. C) Volt. D) Couloumb. Show Answer Correct Answer: B) Joule. 4. If the battery in a circuit is 24 V and the resistance is 12 ohms, what is the current, I? A) Any. B) 0.KA. C) 288A. D) None of the above. Show Answer Correct Answer: A) Any. 5. Which of the following statements are not true A) The voltmeter is connected in parallel with the known resistance. B) A single key is used to switch on/off in series circuit. C) The ammeter is connected in series circuit. D) The rheostat can only increase the resistance in electric circuit. Show Answer Correct Answer: D) The rheostat can only increase the resistance in electric circuit. 6. A resistance wire is cut into 2 equal pieces. The resistance of a piece after cutting A) Doubles. B) More than double. C) Halves. D) Remains same. Show Answer Correct Answer: C) Halves. 7. Keeping the potential difference constant, the resistance of a circuit is doubled. The current will become: A) Double. B) Half. C) One-fourth. D) Four times. Show Answer Correct Answer: B) Half. 8. Which type of current comes from a battery? A) Alternating current (AC). B) Direct current (DC). C) All the above. D) None of the above. Show Answer Correct Answer: B) Direct current (DC). 9. The SI unit of electric charge is A) Ampere A. B) Seconds t. C) Coulombs C. D) None of these. Show Answer Correct Answer: C) Coulombs C. 10. Which of the following is based on heating effect of electric current A) Electric fan. B) Electric geyser. C) Electric generator. D) All of the above. E) Electric motor. Show Answer Correct Answer: B) Electric geyser. 11. An electrical appliance has a resistance of 25 $\Omega$. When this electrical appliance is connected to a 230 V supply line, the current passing through it will be: A) 0.92 A. B) 2.9 A. C) 9.2 A. D) 92 A. Show Answer Correct Answer: C) 9.2 A. 12. How the charge will flow? A) By heating them. B) By applying potential difference. C) Both. D) None of these. Show Answer Correct Answer: B) By applying potential difference. 13. If the Voltage stays the same and Resistance is increased, Current will ..... ? A) Increase. B) Decrease. C) Stay the same. D) None of these. Show Answer Correct Answer: B) Decrease. 14. Three resistances of 4 ohm are connected is form of triangle what is it's resistance A) 3/8. B) 4/7. C) 3/6. D) 1/8. Show Answer Correct Answer: A) 3/8. 15. According to Ohm's Law, the potential difference across the ends of a resistor is directly proportional to the ..... through it, provided its ..... remains constant. A) Current, temperature. B) Temperature, current. C) Physical condition, temperature. D) Physical condition, current. Show Answer Correct Answer: A) Current, temperature. 16. When electric current is passed, electrons move from: A) High potential to low potential. B) Low potential to high potential. C) In the direction of the current. D) Against the direction of current. Show Answer Correct Answer: B) Low potential to high potential. 17. If lenght of a copper wire is incresed by 5% due to streching what will be the percentage increase in it's resistances A) 12%. B) 11.5%. C) 20%. D) 10.25%. Show Answer Correct Answer: D) 10.25%. 18. The commercial unit of electrical energy is A) Joules, j. B) Watt second, Ws. C) Kilowatt hour, kWh. D) None of the above. Show Answer Correct Answer: C) Kilowatt hour, kWh. 19. What is the definition of current? A) Rate of flow of neutrons. B) Rate of flow of charges. C) Rate of flow of protons. D) Rate of flow of energy. Show Answer Correct Answer: B) Rate of flow of charges. 20. When connecting the resistant in a parallel order ..... A) Current. B) Operate. C) Both. D) No one. Show Answer Correct Answer: B) Operate. 21. Ebonite is a A) Conductor. B) Alloy. C) Insulators. D) Semi conductors. Show Answer Correct Answer: C) Insulators. 22. What is the total power consumed in a series circuit with three 10W bulbs? A) 20W. B) 15W. C) 25w. D) 30W. Show Answer Correct Answer: D) 30W. 23. Which of the following best explains an electric current? A) An electric current is the flow of positive charges in a circuit. B) An electric current is the flow of atoms in a circuit. C) An electric current is the flow of electrons in a circuit. D) An electric current is the flow of neutrons in a circuit. Show Answer Correct Answer: C) An electric current is the flow of electrons in a circuit. 24. True or False:All metals are attracted to magnet. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 25. The amp is the A) A Kulam charge in a minute. B) 1 in a Kulam charge in Sakendi. C) A Kulam charge in 1 hour. D) A coolam charge in 2 seconds. Show Answer Correct Answer: B) 1 in a Kulam charge in Sakendi. ← 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 7Class 10 Science Chapter 12 Electricity Quiz 8Class 10 Science Chapter 12 Electricity Quiz 9Class 10 Science Chapter 12 Electricity Quiz 10Class 10 Science Chapter 12 Electricity Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books