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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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 15 Online MCQ's Test"

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Physics ICS Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

The self induction emf is some times called.

Question # 2

If the coil is wound on iron core, the flux through it.

Question # 3

Lenz's law is a consequence of the law of conservation of

Question # 4

The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:

Question # 5

Electromagnetic induction is exactly according to law of:

Question # 6

The negative sign with induced emf in Faraday's law is in accordance with

Question # 7

The mutual inductance between two coils depends upon their

Question # 8

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

Question # 9

The Lenz's law fulfils.

Question # 10

One henry is equal to

Question # 11

A.C. Generator based upon the

Question # 12

Self inductance of a long solenoid is given by

Question # 13

Mutual induction has a practical role in the performance of the.

Question # 14

The winding of the electromagnet in motor are usually called.

Question # 15

Lenz's law deals with

Question # 16

Unit of self inductance is

Question # 17

Which of the following converts electrical energy into mechanical energy.

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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 The application of mutual induction is a.
A. D.C. motor
B. Radio
C. Television
D. Transformer
2 Which of the following converts electrical energy into mechanical energy.
A. Transformer
B. A.C. generator
C. D.C. generator
D. D.C. motor
3 If the coil is wound on iron core, the flux through it.
A. Decreases
B. Becomes zero
C. Increases
D. Remains constant
4 Lenz's law was given by Heinrich lenz in:
A. 1894
B. 1904
C. 1854
D. 1834
5 What is the co-efficient of mutual inductance, when the magnetic flux changes by 2 x 10-2 Wb, and change in current is 0.01 A?
A. 2 H
B. 3 H
C. 1/2 H
D. Zero
6 Energy stored in inductor is.
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
7 Electromagnetic induction is exactly according to law of:
A. Momentum
B. Charge
C. Energy
D. Mass
8 Eddy current is produced when:
A. A metal is light in varying magnetic field
B. A metal is kept in steady magnetic field
C. A circular coil is placed in a steady magnetic field
D. A current is passed through a circualr coil
9 The induced emf in a coil is proportional to:
A. Magnetic flux through the coil
B. Rate of change of Magnetic flux through the coil
C. Area of the coil
D. Product of magnetic flux flux and area of the coil
10 When the back emf is zero, its draws.
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current

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