2nd Year Physics Chapter 15 Online MCQ Test for 12th Class Physics Chapter 15 (Electromagnetic Induction)

ICS Part 2 Physics
Chapter 15 Test

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Physics ICS Part 2 Chapter 15 Online MCQ's Test

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Question # 1

Michael Faraday and Joseph Henry belongs to

Question # 2

The motional emf developed in a conduction depends upon.

Question # 3

Mutual induction play role in.

Question # 4

By winding the coil around a less magnetic core, self induction.

Question # 5

The movement of conductor in magnetic field produces electrical current was discovered in:

Question # 6

Electromagnetic induction is exactly according to law of:

Question # 7

A simple device that prevents the direction of current from changing is called.

Question # 8

Transformer is used to change

Question # 9

The jerks in D.C. motor are created by the use of.

Question # 10

When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in

Question # 11

EMF is induced due to change in

Question # 12

In D.C. generator, split rings act as.

Question # 13

The unit of induced emf is

Question # 14

The motional emf is give by

Question # 15

When the back emf is zero, its draws.

Question # 16

Energy stored in inductor is.

Question # 17

In a coil current change from 2 to 4 A in .05 s . If the average induced emf is 8 V then coefficient of self-inductance is:

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ICS Part 2 Physics Chapter 15 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A step up transformer is used 120 V line to provide 240 V. If primary coil has 100 turns the number of turns is secondary is.
A. 50
B. 100
C. 150
D. 200
2 If the north pole of a magnet moves away from a metallic ring
A. Clockwise
B. Anticlockwise
C. First clockwise and then anticlockwise
D. None of above
3 Michael Faraday and Joseph Henry belongs to
A. England and USA
B. France and USA
C. China and USA
D. None of these
4 Lenz's law presented in
A. 1834
B. 1934
C. 1826
D. 1836
5 The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
A. Antoclockwise
B. Clockwise
C. First Clockwise and then Antoclockwise
D. First anticlockwise and then Clockwise
6 If we make magnetic field stronger the value of induced current is.
A. Decreased
B. Increased
C. Vanishes
D. Remain constant
7 The Lenz's law fulfils.
A. Law of conservation of energy
B. Law of conservation of charge
C. Law of conservation of momentum
D. Kirchhoff's law
8 Lenz's law was given by Heinrich lenz in:
A. 1894
B. 1904
C. 1854
D. 1834
9 Self induction does not depend on
A. Number of turns of the coil
B. Area of cross section of the core
C. Nature of material of the core
D. Current through inductor
10 When the back emf in a current is zero, it draws
A. Zero current
B. Maximum current
C. Minimum current
D. Steady average current

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