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

Output of D.C. motor is

Question # 2

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

Question # 3

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

Question # 4

The working principle of transformer is.

Question # 5

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

Question # 6

One henry is equal to

Question # 7

Lenz's law deals with

Question # 8

Which of the following converts electrical energy into mechanical energy.

Question # 9

Energy stored in inductor is.

Question # 10

A.C is converted into D.C by

Question # 11

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

Question # 12

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

Question # 13

Mutual induction play role in.

Question # 14

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

Question # 15

In A.C. inductor behaves as

Question # 16

A.C. Generator based upon the

Question # 17

The Si unit of Mutual inductance is:

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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 back emf in motor is zero, it draws.
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
2 When motor is just started, back emf is almost.
A. Maximum
B. Zero
C. Minimum
D. Infinite
3 Energy stored in inductor is.
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
4 The device in which induced emf is statically induced emf is:
A. Transforms
B. AC generator
C. Alevator
D. Dynamo
5 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
6 Lenz's law deals with
A. Magnitude of emf
B. Direction emf
C. Direction of induced current
D. Resistance
7 Eddy current is one cause energy loss in
A. A.C. generator
B. Transformer
C. D.C. motor
D. D.C. generator
8 DC generator by william Sturgeon in:
A. 1894
B. 1961
C. 1834
D. 1961
9 The working principle of transformer is.
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
10 If we make magnetic field stronger the value of induced current is.
A. Decreased
B. Increased
C. Vanishes
D. Remain constant

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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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