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

The mutual inductance of the coils depends upon.

Question # 2

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

Question # 3

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

Question # 4

Lenz's law presented in

Question # 5

The working principle of transformer is.

Question # 6

When a conductor moves across a magnetic field an emf is set up this emf is called.

Question # 7

Commutator was invented by:

Question # 8

Commutator was invented in

Question # 9

The Direction of induced current is always so as to oppose the change which causes the current, is:

Question # 10

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.

Question # 11

The illustration of the phenomenon of mutual induction is in the device of

Question # 12

Energy density in an inductor is.

Question # 13

A current generator device converts:

Question # 14

Mutual induction play role in.

Question # 15

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

Question # 16

In case of inductor , energy is stored in the

Question # 17

The magnitude of motional emf is given by

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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 a coil is moved in a uniform magnetic field, an induced emf is produced due of change in
A. Flux density
B. Electric flux
C. Magnetic flux
D. Magnetic field strength
2 In case of inductor , energy is stored in the
A. Electric field
B. Magnetic field
C. Potential field
D. Gravitational field
3 Which of the following converts electrical energy into mechanical energy.
A. Transformer
B. A.C. generator
C. D.C. generator
D. D.C. motor
4 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:
A. 0.2 henry
B. 0.1 henry
C. 0.8 henry
D. 0.04 henry
5 Energy stored in an inductor is:
A. 1/2L2I
B. 1/2L2/I
C. 1/2LI2
D. 1/2LI
6 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
7 The device in the circuit that consume electrical energy are known as.
A. Dissipaters
B. Generator
C. Load
D. Motors
8 A.C is converted into D.C by
A. Dynamo
B. Rectifier
C. Motor
D. Transformer
9 The mutual inductance between two coils depends upon their
A. Size
B. Core material
C. Size, core material and separation
D. Separation
10 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

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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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