ECAT Pre Computer Science Chapter 15 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 15 Electromagnetic Induction

Try The MCQ's Test For ECAT Physics Chapter 15 Electromagnetic Induction

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ECAT Physics Chapter 15 Electromagnetic Induction

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Question # 1

When a conductoris moved across a magnetic field:

Question # 2

Instead of moving the coil towards a magnet, the magnet is moved towards the coil with the same speed. The galvanometer shows current:

Question # 3

The SI unit of magnetic induction is

Question # 4

When a conductor is moved across a magnetic field, the redistribution of charge sets up:

Question # 5

An induced current can be produced by:

Question # 6

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

Question # 7

The practical application of the phenomenon of Mutual induction is

Question # 8

Transformer is used to

Question # 9

Back emf is produced due to

Question # 10

In magnet-coil experiment, emf can be produced by

Question # 11

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

Question # 12


The magnitude of induced emf depends upon the:

Question # 13

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

Question # 14

A metal road of length 1m is moving at a speed of 1 ms-1In a direction making angle of 30º with 0.5 Y magnetic field. The emf produced in the rod is:

Question # 15

An emf is set up in a conductor when it

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ECAT Physics Chapter 15 Important MCQ's

Sr.# Question Answer
1 The phenomenon of generation of induced emf is called:
A. Electrostatic induced
B. Magnetic induced
C. Electromagnetic induced
D. Electric induced
2 The motional e.m.f depends upon the
A. Length of a conductor
B. Strength of a magnet
C. Speed of the conductor
D. All of the above
3 For inducting emf in a coil the basic requirement is that:
A. Flux should link the coil
B. Change in flux should link the coil
C. Coil should form a closed loop
D. Both B and C are true
4 In magnet-coil experiment, emf can be produced by:
A. Keeping the coil stationary and moving the magnet
B. Keeping the magnet stationary and moving the coil
C. Relative motion of the loop and magnet
D. Any one of above
5 A.C. can be measure with the help of
A. Nuclear effect
B. Magnetic effect
C. Chemical effect
D. Heating effect
6 The induced emf in a coil is proportional to:
A. Magnetic flux through a coil
B. Rate of change of magnetic flux through the coil
C. Area of the coil
D. Product of magnetic flux and area of the coil
7 When the conductor moved across a magnetic field:
A. Emf induced is similar to that of a battery

B. Emf induced gives rise to induced current

C. An emf induced across its ends

D. All are correct
8 Michael Faraday and Joseph Henry belong respectively to
A. USA and England
B. England and France
C. England and USA
D. USA and France
9 Split rings act as
A. Vibrator
B. Resistor
C. Motor
D. Commulator
10 The practical application of the phenomenon of Mutual induction is
A. Transformers
B. Generator
C. Motor
D. All of these

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