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

For inducting emf in a coil the basic requirement is that:

Question # 2

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

Question # 3

The induced current in a conductor depends upon:

Question # 4

The induced current is a conductor depends upon:

Question # 5

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

Question # 6

The phenomenon of generation of induced emf is called

Question # 7

The motional e.m.f depends upon the

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

In magnet-coil experiment, emf can be produced by

Question # 12

The ratio of average e.m.f in the coil tot he time rate of change of current in the same coil is called

Question # 13

The magnitude of induced emf depends upon the:

Question # 14

An emf is set up in a conductor when it

Question # 15

The SI unit of magnetic induction is

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ECAT Physics Chapter 15 Important MCQ's

Sr.# Question Answer
1 A device which converts Electrical energy into mechanical energy is called as
A. Transformer
B. Generator
C. Motor
D. All of these
2 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
3 The change of magnetic flux through a circuit will produce
A. Magnetic Field
B. Electric Field
C. emf
D. a.c
4 Referring to above figure, current in the coil P grows from zero to its maximum value:
A. At the instant the switch is closed
B. At the instant the switch is opened
C. When switch is kept open
D. All of above
5 The law of electromagnetic induction is related to:
A. Coulomb
B. Ampere
C. Faraday
D. Lenz
6 The direction of induced current is always so as to oppose the cause which produces it. This is
A. Lenz's law
B. Ampere's law
C. Faraday's law
D. Coulomb's law
7

An induced current can be produced by:
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic field
D. Constant electric field
8 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
9 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
10 An induced current can be produced by:
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic feild
D. Constant electric field

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