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

Self induction does not depend on

Question # 2

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

Question # 3

Energy density of an inductor is:

Question # 4

With the speed of motor, magnitude of back emf

Question # 5

The magnitude of motional emf is given by

Question # 6

Electromagnetic induction is exactly according to law of:

Question # 7

Step up transformer is used.

Question # 8

Mutual induction play role in.

Question # 9

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

Question # 10

B2/2p is the expression of.

Question # 11

Commutator was invented by:

Question # 12

EMF is induced due to change in

Question # 13

The direction of induced current is always so as to oppose the change which causes the current, this is the statement of

Question # 14

The induced emf in a coil is proportional to:

Question # 15

The self induction emf is some times called.

Question # 16

The application of mutual induction is a.

Question # 17

If the coil is wound on iron core, the flux through it.

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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 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 Which of the following quantities remain constant in step up transformer?
A. Current
B. Voltage
C. Power
D. Heat
3 The application of mutual induction is a.
A. D.C. motor
B. Radio
C. Television
D. Transformer
4 The mutual inductance between two coils depends upon their
A. Size
B. Core material
C. Size, core material and separation
D. Separation
5 When the back emf is zero, its draws.
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
6 The only difference between the construction of D.C and A.C is.
A. Carbon burshes
B. Coil
C. Commutator
D. Magnetic field
7 Lenz's law deals with
A. Magnitude of emf
B. Direction emf
C. Direction of induced current
D. Resistance
8
Question Image
9 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
10 A simple device that prevents the direction of current from changing is called.
A. Commutator
B. Rotor
C. Armature
D. Detector

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