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

The induced current in the loop can be increased by:

Question # 2

An emf is set up in a conductor when it:

Question # 3

The Phenomenon of generation of induced emf is called

Question # 4

An induced current can be produced by:

Question # 5

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

Question # 6

Lenz's law is the consequence of

Question # 7

The induced current in a conductor depends upon

Question # 8

In magnet-coil experiment, emf can be produced by

Question # 9

An emf is set up in a conductor when it:

Question # 10

The SI unit of magnetic induction is

Question # 11

Referring to above figure, due to change in current in the coil P, the change in magnetic flux

Question # 12

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

Question # 13

Referring to above figure, due to change in current in the coil P, the change in magnetic flux:

Question # 14

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

Question # 15

In magnet-coil experiment, emf can be produced by:

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ECAT Physics Chapter 15 Important MCQ's

Sr.# Question Answer
1 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:
A. Also 20º

B. 70º

C. 90º

D. 180º
2 The induced current in a conductor depends upon:
A. Resistance of the loop
B. Speed with which the conductor moves
C. Any of these
D. Both A and B
3 The induced current in the loop can be Increased by
A. Using a stronger magnetic field
B. Moving the loop faster
C. Replacing the loop by a coil of many turns
D. All above
4 Eddy current is produced when:
A. A metal is kept in varying magnetic field
B. A metal is kept in steady magnetic field
C. A circular coil is placed in a steady magnetic field
D. A current is passed through a circular coil
5 A device which converts Electrical energy into mechanical energy is called as
A. Transformer
B. Generator
C. Motor
D. All of these
6 An emf is set up in a conductor when it:
A. Is kept in a magnetic field
B. Is kept in an electric field
C. Moves across a magnetic field
D. Both A and B
7 When there is no relative motion between the magnet and coil, the galvanometer indicated
A. No current in the circuit
B. An increasing current
C. A decreasing current
D. A constant current
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 The induced current in a conductor depends upon
A. Resistance of the loop
B. Speed with which the conductor moves
C. Any of these
D. Both A and B
10 The induced current in the loop can be increased by:
A. Using a strong magnetic field
B. Moving the loop faster
C. Replacing the loop by a coil of many turns
D. All of above

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