2nd Year Physics Chapter 15 Online MCQ Test for 12th Class Physics Chapter 15 (Electromagnetic Induction)

ICS Part 2 Physics
Chapter 15 Test

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Physics ICS Part 2 Chapter 15 Online MCQ's Test

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Question # 1

The device in which induced emf is statically induced emf is:

Question # 2

A.C is converted into D.C by

Question # 3

If D.C. input for step up transformer, the output is

Question # 4

Self inductance of a long solenoid is given by

Question # 5

split rings are used in

Question # 6

By winding the coil around a less magnetic core, self induction.

Question # 7

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?

Question # 8

Michael Faraday and Joseph Henry belongs to

Question # 9

SI unit of hennery which is.

Question # 10

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

Question # 11

If we make magnetic field stronger the value of induced current is.

Question # 12

Which of the following converts electrical energy into mechanical energy.

Question # 13

Lenz's law is a consequence of the law of conservation of

Question # 14

Unit of self inductance is

Question # 15

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

Question # 16

Electric current produces magnetic field, was suggested by.

Question # 17

Efficiency of transformer does not affected by

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ICS 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 Electromagnetic induction is exactly according to law of:
A. Momentum
B. Charge
C. Energy
D. Mass
2 Lenz's law was given by Heinrich lenz in:
A. 1894
B. 1904
C. 1854
D. 1834
3 Commentator was invented by
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon
4 The motional emf is give by
A. qvB
B. IBL
C. eBL
D. vBL
5 The Lenz's law fulfils.
A. Law of conservation of energy
B. Law of conservation of charge
C. Law of conservation of momentum
D. Kirchhoff's law
6
Question Image
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
7 the core of transformer is laminated so reduce.
A. Magnetic loss
B. Hysteresis loss
C. Eddy current loss
D. Electric loss
8 If 10 A current passes through 100 mH inductor, then energy stored is.
A. 100 J
B. 5 J
C. 20 J
D. Zero
9 1 Henry =
A. VSA-1
B. VS-1A-1
C. V-1SA
D. VSA-2
10 If the north pole of a magnet moves away from a metallic ring
A. Clockwise
B. Anticlockwise
C. First clockwise and then anticlockwise
D. None of above

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