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

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Question # 1

In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.

Question # 2

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 # 3

Which one is not present in A.C. generator.

Question # 4

In case of inductor , energy is stored in the

Question # 5

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

Question # 6

The induced emf in a coil is proportional to:

Question # 7

SI unit of hennery which is.

Question # 8

One henry is equal to

Question # 9

The current induced can be increased by:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?

Question # 14

Electromagnetic induction is exactly according to law of:

Question # 15

The motional emf is give by

Question # 16

If we make magnetic field stronger the value of induced current is.

Question # 17

split rings are used in

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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 play role in.
A. Generator
B. D.C. motor
C. Galvanometer
D. Transformer
2 Eddy current is one cause energy loss in
A. A.C. generator
B. Transformer
C. D.C. motor
D. D.C. generator
3 When back emf in motor is zero, it draws.
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
4 A current generator device converts:
A. Mechanical energy into chemical energy
B. Chemical energy into electrical energy
C. Mechanical energy into electrical energy
D. Both b and c
5 If the coil is wound on iron core, the flux through it.
A. Decreases
B. Becomes zero
C. Increases
D. Remains constant
6 A.C. Generator based upon the
A. Lenz's law
B. Maxwell's relation
C. Faradays law of electromagnet induction
D. Mutual induction
7 The application of mutual induction is a.
A. D.C. motor
B. Radio
C. Television
D. Transformer
8 Lenz's law was given by Heinrich lenz in:
A. 1894
B. 1904
C. 1854
D. 1834
9 The motional emf is give by
A. qvB
B. IBL
C. eBL
D. vBL
10 The direction of induced current is always so as to oppose the change which causes the current is:
A. Faraday's law
B. Lenz's  law
C. Ohm's law
D. Kirchhoff's 1st rule

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