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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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 15 Online MCQ's Test"

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Physics ICS Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

Mutual induction has a practical role in the performance of the.

Question # 2

Energy stored in an inductor is:

Question # 3

When back emf in motor is zero, it draws.

Question # 4

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

Question # 5

A current generator device converts:

Question # 6

One henry is equal to

Question # 7

The motional emf is give by

Question # 8

the core of transformer is laminated so reduce.

Question # 9

Unit of self inductance is

Question # 10

The mutual inductance between two coils depends upon their

Question # 11

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

Question # 12

Self induction does not depend on

Question # 13

In D.C. generator, split rings act as.

Question # 14

When the back emf in a current is zero, it draws

Question # 15

The direction of induced current is always so as to oppose the change which causes the current is:

Question # 16

Electric current produces magnetic field, was suggested by.

Question # 17

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

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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 In case of inductor , energy is stored in the
A. Electric field
B. Magnetic field
C. Potential field
D. Gravitational field
2 Mutual induction play role in.
A. Generator
B. D.C. motor
C. Galvanometer
D. Transformer
3 One henry is equal to
A. 1 ohm x 1 sec
B. 1 ohm x 1 hertz
C. 1 ohm x 1 metre
D. All of above
4 A.C is converted into D.C by
A. Dynamo
B. Rectifier
C. Motor
D. Transformer
5
Question Image
6 DC generator by william Sturgeon in:
A. 1894
B. 1961
C. 1834
D. 1961
7 When a motor is over loaded then the magnitude of back emf.
A. Increases
B. Decreases
C. Remain constant
D. Zero
8 The mutual inductance of the coils depends upon.
A. Stiffness of the coils
B. Density of coils
C. Material of coils
D. Geometry of the coils
9 A step up transformer is used 120 V line to provide 240 V. If primary coil has 100 turns the number of turns is secondary is.
A. 50
B. 100
C. 150
D. 200
10 Which one is not present in A.C. generator.
A. Armature
B. Magnet
C. Slip rings
D. Commutator

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