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

A.C. Generator based upon the

Question # 2

In A.C. inductor behaves as

Question # 3

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

Question # 4

Lenz's law presented in

Question # 5

EMF is induced due to change in

Question # 6

For step down transformer

Question # 7

Lenz's law deals with

Question # 8

SI unit of hennery which is.

Question # 9

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

Question # 10

In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.

Question # 11

A current generator device converts:

Question # 12

Energy stored in inductor is.

Question # 13

The Si unit of Mutual inductance is:

Question # 14

The emf induced by the motion of a conductor across a magnetic field is called:

Question # 15

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

Question # 16

The induction can be increased by winding the wire around a core made of.

Question # 17

Induced emf in A.C. generator can be increased 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 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 Commutator was invented in
A. 1834
B. 1820
C. 1840
D. 1835
3 The motional emf developed in a conduction depends upon.
A. Length
B. Orientation
C. Magnetic field
D. All of the above
4 DC generator by william Sturgeon in:
A. 1894
B. 1961
C. 1834
D. 1961
5 Lenz's law deals with
A. Magnitude of emf
B. Direction emf
C. Direction of induced current
D. Resistance
6 Mutual induction has a practical role in the performance of the.
A. Radio choke
B. Transformers
C. A.C. Generator
D. D.C. Generator
7 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
8 Transformer is used to change
A. Electric power
B. Magnetic field
C. Alternating voltage
D. Phase of A.C.
9 If speed of rotation of a generator is doubled the output voltage will be.
A. Remain same
B. Double
C. Four time
D. One half
10 For step down transformer
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np

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