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

Eddy current is produced when:

Question # 2

The magnitude of induced emf depends upon the

Question # 3

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 # 4

The device in which induced emf is statically induced emf is:

Question # 5

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:

Question # 6

The law of electromagnetic induction is related to:

Question # 7

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

Question # 8

A coil of constant area is placed in a constant magnetic field. An include current is produced in the coil when:

Question # 9

The phenomenon of generation of induced emf is called

Question # 10

The magnitude of induced emf depends upon the:

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

In magnet-coil experiment, emf can be produced by

Question # 15

The phenomenon of generation of induced emf is called:

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ECAT Physics Chapter 15 Important MCQ's

Sr.# Question Answer
1 The current produced by moving a loop of a wire across a magnetic field is called:
A. Direct current
B. Magnetic current
C. Alternating current
D. Induced current
2 A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when:
A. The coil is distorted
B. The coil is rotated
C. The coil is neither distorted nor rotated
D. Both A and B
3 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
4 Micheal Faraday and joseph Henry belong respectively to:
A. USA and England
B. England and France
C. England and USA
D. USA and France
5 The rate change of area expressed is expressed in:
A. None of these
B. ms-1
C. m2s-2
D. ms-2
6 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
7 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
8 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
9 The Phenomenon of generation of induced emf is called
A. Electrostatic induction
B. Magnetic induction
C. Electromagnetic induction
D. Electric induction
10 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)

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