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

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Question # 1

B2/2p is the expression of.

Question # 2

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 # 3

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

Question # 4

The Lenz's law fulfils.

Question # 5

The device in the circuit that consume electrical energy are known as.

Question # 6

If 10 A current passes through 100 mH inductor, then energy stored is.

Question # 7

Michael Faraday and Joseph Henry belongs to

Question # 8

A.C is converted into D.C by

Question # 9

With the speed of motor, magnitude of back emf

Question # 10

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

Question # 11

1 Henry =

Question # 12

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

Question # 13

When the back emf in a current is zero, it draws

Question # 14

The mutual inductance between two coils depends upon their

Question # 15

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

Question # 16

The induced emf in a coil is proportional to:

Question # 17

In A.C. inductor behaves 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 The self induction emf is some times called.
A. Motional emf
B. Constant emf
C. Back emf
D. Variable emf
2 Lenz's law is a consequence of the law of conservation of
A. Charge
B. Momentum
C. Energy
D. Angular momentum
3 For step down transformer
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np
4 Mutual induction has a practical role in the performance of the.
A. Radio choke
B. Transformers
C. A.C. Generator
D. D.C. Generator
5 Michael Faraday and Joseph Henry belongs to
A. England and USA
B. France and USA
C. China and USA
D. None of these
6 A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
A. 0.1 J
B. 10 J
C. 100 J
D. 1000 J
7 The motional emf developed in a conduction depends upon.
A. Length
B. Orientation
C. Magnetic field
D. All of the above
8 Which one is not present in A.C. generator.
A. Armature
B. Magnet
C. Slip rings
D. Commutator
9 The jerks in D.C. motor are created by the use of.
A. Armature
B. Commutators
C. Split rings
D. Source of emf
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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