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

DC generator by william Sturgeon in:

Question # 2

The motional emf depends upon the

Question # 3

A.C. Generator based upon the

Question # 4

Eddy current is one cause energy loss in

Question # 5

The unit of induced emf is

Question # 6

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

Question # 7

B2/2p is the expression of.

Question # 8

The movement of conductor in magnetic field produces electrical current was discovered in:

Question # 9

If magnetic field is doubled then magnetic energy density becomes.

Question # 10

EMF is induced due to change in

Question # 11

Michael Faraday and Joseph Henry belongs to

Question # 12

Induced emf in A.C. generator can be increased by

Question # 13

Transformer is used to change

Question # 14

The motional emf is give by

Question # 15

The mutual inductance between two coils depends upon their

Question # 16

The application of mutual induction is a.

Question # 17

The rod of unit length is moving at 30 o through a magnetic field of 1 T. If the velocity of rod is 1 m/s, then induced emf in the rod will be 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 Lenz's law is a consequence of the law of conservation of
A. Charge
B. Momentum
C. Energy
D. Angular momentum
2 What is the co-efficient of mutual inductance, when the magnetic flux changes by 2 x 10-2 Wb, and change in current is 0.01 A?
A. 2 H
B. 3 H
C. 1/2 H
D. Zero
3 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
4 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
5 The winding of the electromagnet in motor are usually called.
A. Magnetic coils
B. Field coils
C. Electric coils
D. electric o electric coils
6 If the coil is wound on iron core, the flux through it.
A. Decreases
B. Becomes zero
C. Increases
D. Remains constant
7 The device in which induced emf is statically induced emf is:
A. Transforms
B. AC generator
C. Alevator
D. Dynamo
8 If speed of rotation of a generator is doubled the output voltage will be.
A. Remain same
B. Double
C. Four time
D. One half
9 Energy density of an inductor is:
A. UM=1/2μ/B2
B. Um = 2μ/B
C. UM = 1/2B2
D. Um = 2B2
10 Lenz's law was given by Heinrich lenz in:
A. 1894
B. 1904
C. 1854
D. 1834

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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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