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

FSC Part 2 Physics
Chapter 15 Test

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Physics FSC Part 2 Chapter 15 Online MCQ's Test

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Question # 1

Unit of self inductance is

Question # 2

The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:

Question # 3

The mutual inductance between two coils depends upon their

Question # 4

EMF is induced due to change in

Question # 5

If 10 A current passes through 100 mH inductor, then energy stored is.

Question # 6

Michael Faraday and Joseph Henry belongs to

Question # 7

The only difference between the construction of D.C and A.C is.

Question # 8

Which of the following quantities remain constant in step up transformer?

Question # 9

If speed of rotation of a generator is doubled the output voltage will be.

Question # 10

The jerks in D.C. motor are created by the use of.

Question # 11

B2/2p is the expression of.

Question # 12

The motional emf is give by

Question # 13

In self induction A coil is connected in__________ with battery and a rheostat.

Question # 14

Which one is not present in A.C. generator.

Question # 15

Electromagnetic induction is exactly according to law of:

Question # 16

If the north pole of a magnet moves away from a metallic ring

Question # 17

With the speed of motor, magnitude of back emf

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FSC Part 2 Physics Chapter 15 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The magnitude of motional emf is given by
2 Energy stored in inductor is.
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
3 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
4 The mutual inductance between two coils depends upon their
A. Size
B. Core material
C. Size, core material and separation
D. Separation
5 The magnitude of back emf:
A. Increases with sped of motor
B. Decreases with speed of motor
C. Remains same 
D. None of above
6 For step down transformer
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np
7 A current generator device converts:
A. Mechanical energy into chemical energy
B. Chemical energy into electrical energy
C. Mechanical energy into electrical energy
D. Both b and c
8 Electric current produces magnetic field, was suggested by.
A. Faraday
B. Oersted
C. Henry
D. Lenz
9 The negative sign with induced emf in Faraday's law is in accordance with
A. Lenz's law
B. Amperes law
C. Boyle's law
D. Gauss law
10 Energy density in an inductor is.
A. Directly proportional to magnetic field
B. Directly proportional to square of magnetic field
C. Inversely proportional to magnetic field
D. Inversely proportional to square of magnetic field

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