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

Which one is not present in A.C. generator.

Question # 2

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

Question # 3

Lenz's law presented in

Question # 4

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

Question # 5

If D.C. input for step up transformer, the output is

Question # 6

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

Question # 7

One henry is equal to

Question # 8

The magnitude of motional emf is given by

Question # 9

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

Question # 10

When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in

Question # 11

When the back emf is zero, its draws.

Question # 12

The motional emf developed in a conduction depends upon.

Question # 13

EMF is induced due to change in

Question # 14

SI unit of hennery which is.

Question # 15

When a motor is over loaded then the magnitude of back emf.

Question # 16

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

Question # 17

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

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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 In D.C. generator, split rings act as.
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
2 Commutator was invented by:
A. William bills
B. William Gates
C. William tells
D. William Sturgeon
3 Energy stored in an inductor is:
A. 1/2L2I
B. 1/2L2/I
C. 1/2LI2
D. 1/2LI
4 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
5 Transformer is used to change
A. Electric power
B. Magnetic field
C. Alternating voltage
D. Phase of A.C.
6 The direction of induced current is always so as to oppose the change which causes the current, this is the statement of
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. Coulomb's law
7 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
8 What is the co-efficient of mutual inductance, when the magnetic flux changes by 2 x 10-2 Wb, and change in current is 0.01 A?
A. 2 H
B. 3 H
C. 1/2 H
D. Zero
9 Which of the following quantities remain constant in step up transformer?
A. Current
B. Voltage
C. Power
D. Heat
10 Eddy current is one cause energy loss in
A. A.C. generator
B. Transformer
C. D.C. motor
D. D.C. generator

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