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

Output of D.C. motor is

Question # 2

Energy density in an inductor is.

Question # 3

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

Question # 4

The illustration of the phenomenon of mutual induction is in the device of

Question # 5

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

Question # 6

The motional emf is give by

Question # 7

The magnitude of motional emf is given by

Question # 8

Transformer is used to change

Question # 9

The winding of the electromagnet in motor are usually called.

Question # 10

The emf induced by the motion of a conductor across a magnetic field is called:

Question # 11

Self inductance of a long solenoid is given by

Question # 12

Energy density of an inductor is:

Question # 13

The unit of induced emf is

Question # 14

Mutual induction play role in.

Question # 15

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

Question # 16

Commutator was invented by:

Question # 17

Self induction does not depend on

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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  Lenz's law is also statement of:
A. Law of conservation of mass
B. Law of conservation of charge
C. Law of conservation of energy
D. Law of conservation of momentum
2 The jerks in D.C. motor are created by the use of.
A. Armature
B. Commutators
C. Split rings
D. Source of emf
3 split rings are used in
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
4 When a motor is over loaded then the magnitude of back emf.
A. Increases
B. Decreases
C. Remain constant
D. Zero
5 Lenz's law is a consequence of the law of conservation of
A. Charge
B. Momentum
C. Energy
D. Angular momentum
6 Commutator was invented by:
A. William bills
B. William Gates
C. William tells
D. William Sturgeon
7 Energy stored in inductor is.
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
8 EMF is induced due to change in
A. Charge
B. Current
C. Magnetic flux
D. Electric field
9 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
10 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

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