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 magnitude of induced emf depends upon the:

Question # 2

The work is stored in the inductor as

Question # 3

The change of magnetic flux through a circuit will produce

Question # 4

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

Question # 5

Transformer is used to

Question # 6

The induced current in a conductor depends upon:

Question # 7

Micheal Faraday and joseph Henry belong respectively to:

Question # 8

The practical application of the phenomenon of Mutual induction is

Question # 9

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

Question # 10

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

Question # 11

An induced current can be produced by:

Question # 12

Faraday's law of electromagnetic induction has been used in the construction of:

Question # 13

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:

Question # 14

Referring to above figure, a changing current in coil P can be produced:

Question # 15

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

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ECAT Physics Chapter 15 Important MCQ's

Sr.# Question Answer
1 Michael Faraday and Joseph Henry belong respectively to
A. USA and England
B. England and France
C. England and USA
D. USA and France
2 Which of the following quantities remain constant in step up transformer?
A. Current
B. Voltage
C. Power
D. Heat
3 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
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 Referring to above figure, current in coil P falls from its maximum value to zero:
A. At the instant the switch is closed
B. At the instant the switch is opened
C. When switch is kept open
D. When switch is kept closed
6 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
7 Which of the following is most suitable as the core of transformer
A. Soft iron
B. Alinco
C. Steel
D. None of these
8 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
C. Relative motion of the loop and magnet
D. Any one of above
9 Referring to above figure, a changing current in coil P can be produced:
A. At the instant the switch is closed
B. At the instant the switch is opened
C. With the help of rheostat
D. All of these
10 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

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