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 work is stored in the inductor as

Question # 2

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

Question # 3

An emf is set up in a conductor when it

Question # 4

The induced current in the loop can be increased by:

Question # 5

The Phenomenon of generation of induced emf is called

Question # 6

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

Question # 7

The induced current in the loop can be Increased by

Question # 8

A device which converts Electrical energy into mechanical energy is called as

Question # 9

The rate change of area expressed is expressed in:

Question # 10

The induced current in the loop can be increased by:

Question # 11

Lenz's law is the consequence of

Question # 12

When the conductor moved across a magnetic field:

Question # 13

An induced current can be produced by

Question # 14

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

Question # 15

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

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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 A.C. can be measure with the help of
A. Nuclear effect
B. Magnetic effect
C. Chemical effect
D. Heating effect
3 Motional emf is called motional:
A. Electromagnetic force and is measured in newtons
B. Electromotive force and is measured in volt
C. Electromotive force and is measured in newtons
D. Electromagnetic force and is measured in volts
4 An induced current can be produced by:
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic field
D. Constant electric field
5 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
6 Which of the following quantities remain constant in step up transformer?
A. Current
B. Voltage
C. Power
D. Heat
7 When a conductor is moved across a magnetic field, the redistribution of charge sets up:
A. Magnetic field
B. Electrostatic field
C. Electromagnetic field
D. All of these
8 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
9 The SI unit of magnetic induction is
A. Weber
B. Weber/meter
C. Henry
D. Tesla
10

An induced current can be produced by:

A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic field
D. Constant electric field

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