Second Year Physics Chapter 15 Online MCQ Test for 2nd Year Physics Chapter 15 Electromagnetic Induction Preparation

FSC Part 2 Physics
Chapter 15 Test

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Physics FSC Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

EMF is induced due to change in

Question # 2

Energy stored in inductor is.

Question # 3

The motional emf depends upon the

Question # 4

A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.

Question # 5

A metal rod of 1 m is moving at a speed of 1 ms-1 in a direction making an angle 30 o with 0.5 T magnetic field . The emf produced is.

Question # 6

Commentator was invented by

Question # 7

SI unit of hennery which is.

Question # 8

The mutual inductance of the coils depends upon.

Question # 9

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

Question # 10

The motional emf is give by

Question # 11

B2/2p is the expression of.

Question # 12

Self induction does not depend on

Question # 13

The magnitude of motional emf is given by

Question # 14

The application of mutual induction is a.

Question # 15

Commutator was invented in

Question # 16

The  Lenz's law is also statement of:

Question # 17

Electromagnetic induction is exactly according to law of:

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FSC 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 Mutual induction has a practical role in the performance of the.
A. Radio choke
B. Transformers
C. A.C. Generator
D. D.C. Generator
2 The current induced can be increased by:
A. Using a stronger magnetic field
B. Moving the loop faster
C. Replacing the loop bay coi of many turns
D. All of above
3 Lenz's law was given by Heinrich lenz in:
A. 1894
B. 1904
C. 1854
D. 1834
4 The winding of the electromagnet in motor are usually called.
A. Magnetic coils
B. Field coils
C. Electric coils
D. electric o electric coils
5 A simple device that prevents the direction of current from changing is called.
A. Commutator
B. Rotor
C. Armature
D. Detector
6 By winding the coil around a less magnetic core, self induction.
A. Will increase
B. Will decrease
C. Remain same
D. First increase then decrease
7 In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
A. NwAB
B. 2pi f
C. Maximum
D. Zero
8 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
9 The motional emf depends upon the
A. Length of conductor
B. Speed of conductor
C. Strength of magnet
D. All of these
10 Mutual induction play role in.
A. Generator
B. D.C. motor
C. Galvanometer
D. Transformer

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