12th class Physics chapter 13 online mcq test with answers for ICS part 2 Physics Chapter 13 (Current Electricity)

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Sr.#	Question	Answer
1	If a charge Q flows through any cross section of the conductor in time t, the current I is	A. I=Qt B. I= Q/t C. I= Q*t D. I= Q-t
2	Resistance tolerance for gold colour is.	A. 50% B. 30% C. 20% D. 5%
3	By increasing the temperature of conductor, the flow rate of charges.	A. Increase B. Remains constant C. Decreases D. Changes exponentially
4	During electrolysis process, density of CuSO₄ solution	A. Remains constant B. Decreased C. Increased D. None of these
5	The conventional current is due to the flow of	A. Atoms and molecules B. Positive charge C. Negative charge D. Bot (b) and (c)
6	Heat energy is converted into electrical energy.	A. Solar cells B. thermocouples C. Electric generators D. None of above
7	Terminal potential difference is greater than emf of the cell when	A. Circuit is open B. Circuit is closed C. small battery is charged by bigger battery D. None of these
8	5 A of current flows through a conductor in 2 minutes, charge in the wire is.	A. 500 C B. 600 C C. 400 C D. 10 C
9	The fraction change in resistance per Kelvin is known as:	A. Temperature coefficient of Resistance B. Coefficient of voltage of change C. Thermal expansion D. All of the above
10	Thermistor with high - ve temperature coefficient are very accurate for measuring low temperature especially near is.	A. 10 kelvin B. 70 kelvin C. 200 kelvin D. 35 kelvin