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

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Physics FSC Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

The induced emf in a coil is proportional to:

Question # 2

In case of inductor , energy is stored in the

Question # 3

A current generator device converts:

Question # 4

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

Question # 5

Commutator was invented by:

Question # 6

Self induction does not depend on

Question # 7

If the north pole of a magnet moves away from a metallic ring

Question # 8

One henry is equal to

Question # 9

The only difference between the construction of D.C and A.C is.

Question # 10

The induction can be increased by winding the wire around a core made of.

Question # 11

Lenz's law presented in

Question # 12

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:

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

When the back emf is zero, its draws.

Question # 15

The  Lenz's law is also statement of:

Question # 16

Mutual induction play role in.

Question # 17

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

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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 When the back emf in a current is zero, it draws
A. Zero current
B. Maximum current
C. Minimum current
D. Steady average current
2
Question Image
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 Mutual induction play role in.
A. Generator
B. D.C. motor
C. Galvanometer
D. Transformer
5 The magnitude of back emf:
A. Increases with sped of motor
B. Decreases with speed of motor
C. Remains same 
D. None of above
6 split rings are used in
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
7 If the coil is wound on iron core, the flux through it.
A. Decreases
B. Becomes zero
C. Increases
D. Remains constant
8 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
9 The negative sign with induced emf in Faraday's law is in accordance with
A. Lenz's law
B. Amperes law
C. Boyle's law
D. Gauss law
10 Commentator was invented by
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon

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  • sania  saeed

    sania saeed

    16 Nov 2017

    ye log poore number nai dete jan bhooj kar

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  • ayesha

    ayesha

    11 May 2017

    2 mcqs k ans ghalat hain irrespective k wo book ki statements hain

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