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

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Question # 1

The mutual inductance between two coils depends upon their

Question # 2

In A.C. inductor behaves as

Question # 3

Michael Faraday and Joseph Henry belongs to

Question # 4

In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.

Question # 5

Lenz's law was given by Heinrich lenz in:

Question # 6

Lenz's law presented in

Question # 7

Commutator was invented by:

Question # 8

the core of transformer is laminated so reduce.

Question # 9

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 # 10

If a step up transformer were 100% efficient the primary and secondary winging's would have the same.

Question # 11

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

Question # 12

The application of mutual induction is a.

Question # 13

Self induction does not depend on

Question # 14

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

Question # 15

If the north pole of a magnet moves away from a metallic ring

Question # 16

The device in which induced emf is statically induced emf is:

Question # 17

The induced emf in a coil is proportional to:

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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 For inducing emf in a coil the basic requirement is that:
A. Flux should link the coil
B. Change in flux should link the coil
C. Coil should form a closed loop
D. Both (b) and (c) are true
2 Step up transformer is used.
A. Step up D.C. voltage
B. Step up A.C. voltage
C. Step up both A.C and D.C.
D. Step up A.C. current
3 Self induction does not depend on
A. Number of turns of the coil
B. Area of cross section of the core
C. Nature of material of the core
D. Current through inductor
4 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.
A. 0.25 N
B. 2.5 N
C. 0.25 V
D. 2.5 V
5 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
6 Lenz's law was given by Heinrich lenz in:
A. 1894
B. 1904
C. 1854
D. 1834
7 If magnetic field is doubled then magnetic energy density becomes.
A. Four times
B. Two times
C. Three times
D. Six times
8 The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
A. Antoclockwise
B. Clockwise
C. First Clockwise and then Antoclockwise
D. First anticlockwise and then Clockwise
9 1 Henry =
A. VSA-1
B. VS-1A-1
C. V-1SA
D. VSA-2
10 The magnitude of back emf:
A. Increases with sped of motor
B. Decreases with speed of motor
C. Remains same 
D. None of above

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