This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 12 Electricity – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 12 Electricity Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Kilowatt-hour is the unit of A) Resistivity. B) Conductivity. C) Electrical energy. D) Electrical power. Show Answer Correct Answer: C) Electrical energy. 2. A current of 0.5 A is drawn by a filament of an electric bulb for 10 minutes. Find the amount of electric charge that flows through the circuit. A) 100C. B) 200C. C) 300C. D) 400C. Show Answer Correct Answer: C) 300C. 3. A fuse is connected in A) Series. B) Parallel. C) Across the switch board. D) None of the above. Show Answer Correct Answer: A) Series. 4. In a filament type light bulb, most of the electric power consumed appears as? A) Fluorescent light. B) Infra-red rays. C) Visible light. D) Ultraviolet rays. Show Answer Correct Answer: B) Infra-red rays. 5. Which of the following electrical appliances does not make use of a variable resistor? A) Volume controls in radio. B) Dimmers in cinemas. C) Speed control of a toy car. D) Electric kettle. Show Answer Correct Answer: D) Electric kettle. 6. The unit of electric current A) Clan. B) Amp. C) Volt. D) Watt. Show Answer Correct Answer: B) Amp. 7. A closed and continuous path of electric current is known as A) Magnetic field. B) Electric field. C) Electric circuit. D) Filament. Show Answer Correct Answer: C) Electric circuit. 8. Resistance is a measure of material's opposition to A) Voltage. B) Electric force. C) Current. D) None of the above. Show Answer Correct Answer: C) Current. 9. Electric current is measured in ..... A) Watts. B) Volts. C) Amperes. D) None of the above. Show Answer Correct Answer: C) Amperes. 10. The rate of electric energy loss in a thermal device due to resistance R is given by:A. P = I$^{2}$/RB. P = V$^{2}$/RC. P = I$^{2}$/VD. P = V/I A) A and B. B) B and C. C) A and D. D) A and C. Show Answer Correct Answer: A) A and B. 11. The unit of potential difference is A) Watt. B) Volt. C) Ampere. D) Faraday. Show Answer Correct Answer: B) Volt. 12. What is the formula of Quantization of charge? A) $ I = no $. B) $ Q = nbled $. C) $Q=DS$. D) $Q=NT$. Show Answer Correct Answer: A) $ I = no $. 13. If the lenght of wire is doubled and its area of cross section is also doubled then the resistance will A) Increase eight times. B) Remain unchanged. C) Become four times. D) Decrease four times. Show Answer Correct Answer: B) Remain unchanged. 14. The code of electric power A) P=I. B) P = you. C) I=PV. D) B = PT. Show Answer Correct Answer: B) P = you. 15. What is a closed path for electrons to flow through? A) Static electricity. B) Circuit. C) Amperes. D) None of the above. Show Answer Correct Answer: B) Circuit. 16. If a device uses 60W of power at 120V, what is the current flowing through it? A) 1A. B) 0.KA. C) 0. My brother. D) Any. Show Answer Correct Answer: B) 0.KA. 17. What are the basic components of an electric circuit A) Energy source. B) Connecting wires. C) Switch. D) All of the above. Show Answer Correct Answer: D) All of the above. 18. Two unequal resistances are connected in parallel. Which of the following statement is true A) Current in same in both. B) Current is larger in higher resistance. C) Voltage-drop is same across both. D) Voltage-drop is lower in lower resistance. Show Answer Correct Answer: D) Voltage-drop is lower in lower resistance. 19. The relation between potential difference (V) and current (I) was discovered by: A) Newton. B) Ampere. C) Ohm. D) Time. Show Answer Correct Answer: C) Ohm. 20. Rate at which electric charges pass through a given area. A) Electric Current. B) Resistance. C) Voltage. D) Capacitance. Show Answer Correct Answer: A) Electric Current. 21. The work done in moving a unit postive charge from infinity to that point is called as A) Electrostatic potential. B) Potential difference. C) Resistance. D) Electric current. Show Answer Correct Answer: A) Electrostatic potential. 22. The device used in the power circuit to test continuity of the power stream A) Electric cell. B) Electric bulb. C) Amit. D) An electric bulb and a mammiter. Show Answer Correct Answer: C) Amit. 23. Sector A) Amiter. B) Old meter. C) Larynx. D) Transformation. Show Answer Correct Answer: C) Larynx. 24. The instrument used for measuring electric current is? A) Galvanometer. B) Voltmeter. C) Ammeter. D) Potentiometer. Show Answer Correct Answer: C) Ammeter. 25. How do you calculate the total resistance in a parallel circuit? A) R total = R1-R2- -Rn. B) R total = R1 * R2 / (R1 + R2). C) R total = R1 + R2 + + Rn. D) R total = 1 / (1/R1 + 1/R2 + + 1/Rn). Show Answer Correct Answer: D) R total = 1 / (1/R1 + 1/R2 + + 1/Rn). ← 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 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 10Class 10 Science Chapter 12 Electricity Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books