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	The conventional current is due to the flow of	A. Atoms and molecules B. Positive charge C. Negative charge D. Bot (b) and (c)
2	A charged conductor has charge on its.	A. Inner surface B. Outer surface C. Middle surface D. Surrounding space
3	If there is no fourth band, tolerance is shows as	D. 10%
4	The unit of temperature co efficient of resistivity is.	A. Ohm -m B. K-1 C. K D. Ohm
5	Thermosouple is an arrangement of two different metals:	A. Two convert heat energy into electrical energy B. To produce more heat C. To convert heat energy into chemical energy D. To convert electrical energy into heat energy
6	e.m.f is the conversion of --------------- energy into electrical energy	A. Chemical B. Solar C. Light D. None of these
7	A rheostat can be used as variable resistor as well as a-------------	A. Potential divider B. Current divider C. Wheat stone bridge D. Power divider
8	For non-ohmic devices, the graph between V and I is	A. Not a straight line B. A straight line C. A curve D. All of above
9	The current through a resistance of 100 Ohm when connecting across a source of 220 V is.	A. 22000 A B. 22 A C. 2.2 A D. 0.45 A
10	The drift velocity is of order:	A. 10^-13m/s B. 10³ m/s C. 10^-3m/s D. 10^-4m/s