Second Year Physics Chapter 15 Online MCQ Test for 2nd Year Physics Chapter 15 Electromagnetic Induction Preparation

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.#	Question	Answer
1	Self induction does not depend on	A. Number of turns of the coil B. Area of cross section of the core C. Nature of material of the core D. Current through inductor
2	The device in the circuit that consume electrical energy are known as.	A. Dissipaters B. Generator C. Load D. Motors
3	What is the co-efficient of mutual inductance, when the magnetic flux changes by 2 x 10-2 Wb, and change in current is 0.01 A?	A. 2 H B. 3 H C. 1/2 H D. Zero
4	DC generator by william Sturgeon in:	A. 1894 B. 1961 C. 1834 D. 1961
5	Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?	A. 45 V B. 15 V C. 90 V D. 300 V
6	In a coil current change from 2 to 4 A in .05 s . If the average induced emf is 8 V then coefficient of self-inductance is:	A. 0.2 henry B. 0.1 henry C. 0.8 henry D. 0.04 henry
7	A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.	A. 0.1 J B. 10 J C. 100 J D. 1000 J
8	When the back emf in a current is zero, it draws	A. Zero current B. Maximum current C. Minimum current D. Steady average current
9	By winding the coil around a less magnetic core, self induction.	A. Will increase B. Will decrease C. Remain same D. First increase then decrease
10		A. Lenz's law B. Faraday's law C. Ampere's law D. None of these