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

If we make magnetic field stronger the value of induced current is.

Question # 2

Output of D.C. motor is

Question # 3

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

Question # 4

If force in the direction of velocity of conductor,  then induced current is directed,

Question # 5

the core of transformer is laminated so reduce.

Question # 6

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

Question # 7

Commutator was invented in

Question # 8

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

Question # 9

The Lenz's law fulfils.

Question # 10

Self inductance of a long solenoid is given by

Question # 11

If magnetic field is doubled then magnetic energy density becomes.

Question # 12

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

Question # 13

The motional emf is give by

Question # 14

Self induction does not depend on

Question # 15

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

Question # 16

Commutator was invented by:

Question # 17

Electric current produces magnetic field, was suggested 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 the core of transformer is laminated so reduce.
A. Magnetic loss
B. Hysteresis loss
C. Eddy current loss
D. Electric loss
2 Commentator was invented by
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon
3 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
4 Lenz's law was given by Heinrich lenz in:
A. 1894
B. 1904
C. 1854
D. 1834
5 DC generator by william Sturgeon in:
A. 1894
B. 1961
C. 1834
D. 1961
6 Mutual induction play role in.
A. Generator
B. D.C. motor
C. Galvanometer
D. Transformer
7 When the back emf in a current is zero, it draws
A. Zero current
B. Maximum current
C. Minimum current
D. Steady average current
8 A current generator device converts:
A. Mechanical energy into chemical energy
B. Chemical energy into electrical energy
C. Mechanical energy into electrical energy
D. Both b and c
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 1 Henry =
A. VSA-1
B. VS-1A-1
C. V-1SA
D. VSA-2

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