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 SI unit of magnetic induction is

Question # 2

Micheal Faraday and joseph Henry belong respectively to:

Question # 3

The work is stored in the inductor as

Question # 4

The direction of induced current is always so as to oppose the cause which produces it. This is

Question # 5

The induced current in a conductor depends upon:

Question # 6

Transformer is used to

Question # 7

The magnitude of induced emf depends upon the

Question # 8

Michael Faraday and Joseph Henry belong respectively to

Question # 9

In the equilibrium state, the potential difference between two ends of the conductor moving across a magnetic field is called:

Question # 10

The phenomenon of generation of induced emf is called

Question # 11

Motional emf is called motional:

Question # 12

Split rings act as

Question # 13

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

Question # 14

An induced current can be produced by:

Question # 15

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

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ECAT Physics Chapter 15 Important MCQ's

Sr.# Question Answer
1 The induced current is 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)
2 The change of magnetic flux through a circuit will produce
A. Magnetic Field
B. Electric Field
C. emf
D. a.c
3 Lens's law deals with the
A. Magnitude of induced current
B. Magnitude of induced e.m.f
C. Direction of induced e.m.f
D. Direction of induced current
4 The current produced by moving a loop of wire across a magnetic field is called
A. Direct current
B. Magnetic current
C. Alternating current
D. Induced current
5 An induced current can be produced by:
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic feild
D. Constant electric field
6 The magnitude of induced emf depends upon the
A. Rate of decrease of magnetic field
B. Rate of change of magnetic field
C. Rate of increase of magnetic flux
D. Constancy of magnetic field
7 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:
A. 0.25 N
B. 0.25 V
C. 2.5 V
D. 2.5 N
8 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
9 When a conductor moved with its length parallel to the lines of magnetic fled:
A. An emf is induced across its ends
B. Emf induced is similar to that of a battery
C. Emf passes through the conductor
D. Both A and B
10 Referring to above figure, due to change in current in the coil P, the change in magnetic flux:
A. Is associated with coil P
B. Is associated with coil S
C. Causes an induced current is coil S
D. All of these

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