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

00:00
Question # 1

The motional emf is give by

Question # 2

Energy density in an inductor is.

Question # 3

split rings are used in

Question # 4

If D.C. input for step up transformer, the output is

Question # 5

The mutual inductance between two coils depends upon their

Question # 6

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

Question # 7

The motional emf developed in a conduction depends upon.

Question # 8

Commutator was invented by:

Question # 9

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 # 10

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

Question # 11

When the back emf is zero, its draws.

Question # 12

A metal rod of 1 m is moving at a speed of 1 ms-1 in a direction making an angle 30 o with 0.5 T magnetic field . The emf produced is.

Question # 13

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

Question # 14

A.C is converted into D.C by

Question # 15

Lenz's law was given by Heinrich lenz in:

Question # 16

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

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 The Si unit of Mutual inductance is:
A. VA-1S-1
B. VAS-1
C. VSA-1
D. ASV-1
2 One henry is equal to
A. 1 ohm x 1 sec
B. 1 ohm x 1 hertz
C. 1 ohm x 1 metre
D. All of above
3 Which one is not present in A.C. generator.
A. Armature
B. Magnet
C. Slip rings
D. Commutator
4 Lenz's law is a consequence of the law of conservation of
A. Charge
B. Momentum
C. Energy
D. Angular momentum
5 Which of the following converts electrical energy into mechanical energy.
A. Transformer
B. A.C. generator
C. D.C. generator
D. D.C. motor
6 The emf induced by the motion of a conductor across a magnetic field is called:
A. Motional emf
B. Rotational emf
C. Induced emf
D. All of above
7 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
8 The only difference between the construction of D.C and A.C is.
A. Carbon burshes
B. Coil
C. Commutator
D. Magnetic field
9 The application of mutual induction is a.
A. D.C. motor
B. Radio
C. Television
D. Transformer
10 When the back emf in a current is zero, it draws
A. Zero current
B. Maximum current
C. Minimum current
D. Steady average current

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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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