ECAT Pre General Science Physics Chapter 15 MCQ Test With Answer for Physics chapter 15 (Electromagnetic Induction)

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Online MCQ`s Test For Chapter 15 "ECAT Pre General Science Physics Chapter 15 Electromagnetic Induction Online Test"

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ECAT Pre General Science Physics Chapter 15 Electromagnetic Induction Online Test

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Question # 1

The SI unit of magnetic induction is

Question # 2

The induced current in the loop can be increased by:

Question # 3

Plan of a coil makes an angle of 20º with the lines of magnetic field. The angle between B and vector area of plane of coil is:

Question # 4

The current produced by moving a loop of a wire across a magnetic field is called:

Question # 5

The law of electromagnetic induction is related to:

Question # 6

A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when:

Question # 7

The phenomenon of generation of induced emf is called:

Question # 8

When a conductor moved with its length parallel to the lines of magnetic fled:

Question # 9

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

Question # 10

The magnitude of induced emf depends upon the:

Question # 11

Referring to above figure, current in coil P falls from its maximum value to zero

Question # 12

The induced current in the loop can be Increased by

Question # 13

An induced current can be produced by:

Question # 14

A.C. can be measure with the help of

Question # 15

The practical application of the phenomenon of Mutual induction is

Question # 16

When there is no relative motion between the magnet and coil, the galvanometer indicates:

Question # 17

The rate change of area expressed is expressed in:

Question # 18

The magnitude of induced emf depends upon the

Question # 19

Referring to above figure, current in coil P falls from its maximum value to zero:

Question # 20

In magnet-coil experiment, emf can be produced by

Question # 21

Step up transformer has a transformation ratio of 3:2. What is the voltage in secondary, if voltage in primary is 30V:

Question # 22

An emf is set up in a conductor when it:

Question # 23

Eddy current is produced when:

Question # 24

An induced current can be produced by:

Question # 25

The induced current in the loop can be increased by:

Question # 26

The product of induced current and the resistance of the wire through which the current is passing is called:

Question # 27

A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when

Question # 28

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

Question # 29

The induced current in a conductor depends upon:

Question # 30

The work is stored in the inductor as

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