2nd Year Physics Chapter 15 Online MCQ Test for 12th Class Physics Chapter 15 (Electromagnetic Induction)

ICS Part 2 Physics
Chapter 15 Test

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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 15 Online MCQ's Test"

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Physics ICS Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

A real transformer does not change.

Question # 2

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

Question # 3

The application of mutual induction is a.

Question # 4

The self induction emf is some times called.

Question # 5

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 # 6

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

Question # 7

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

Question # 8

A.C. Generator based upon the

Question # 9

Energy density in an inductor is.

Question # 10

The induced emf in a coil is proportional to:

Question # 11

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 # 12

1 Henry =

Question # 13

The working principle of transformer is.

Question # 14

DC generator by william Sturgeon in:

Question # 15

The magnitude of motional emf is given by

Question # 16

SI unit of hennery which is.

Question # 17

The only difference between the construction of D.C and A.C is.

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ICS 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 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
2 For step down transformer
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np
3 The negative sign with induced emf in Faraday's law is in accordance with
A. Lenz's law
B. Amperes law
C. Boyle's law
D. Gauss law
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 Mutual induction play role in.
A. Generator
B. D.C. motor
C. Galvanometer
D. Transformer
6 In D.C. generator, split rings act as.
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
7 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.
A. 50
B. 100
C. 150
D. 200
8 If the north pole of a magnet moves away from a metallic ring
A. Clockwise
B. Anticlockwise
C. First clockwise and then anticlockwise
D. None of above
9
Question Image
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
10 Self inductance of a long solenoid is given by
D. None of the above

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