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

00:00
Question # 1

If 10 A current passes through 100 mH inductor, then energy stored is.

Question # 2

The current induced can be increased by:

Question # 3

Energy density in an inductor is.

Question # 4

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

Question # 5

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

Question # 6

SI unit of hennery which is.

Question # 7

The Si unit of Mutual inductance is:

Question # 8

The magnitude of motional emf is given by

Question # 9

A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.

Question # 10

Electric current produces magnetic field, was suggested by.

Question # 11

Induced emf in A.C. generator can be increased by

Question # 12

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:

Question # 13

The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:

Question # 14

In case of inductor , energy is stored in the

Question # 15

If speed of rotation of a generator is doubled the output voltage will be.

Question # 16

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

Question # 17

The self induction emf is some times called.

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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 If D.C. input for step up transformer, the output is
A. Zero
B. High
C. Low
D. May be high or low
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 The motional emf depends upon the
A. Length of conductor
B. Speed of conductor
C. Strength of magnet
D. All of these
4 The direction of induced current is always so as to oppose the change which causes the current is:
A. Faraday's law
B. Lenz's  law
C. Ohm's law
D. Kirchhoff's 1st rule
5 The device in which induced emf is statically induced emf is:
A. Transforms
B. AC generator
C. Alevator
D. Dynamo
6 The illustration of the phenomenon of mutual induction is in the device of
A. Transformer
B. Inductor
C. A.C. Generator
D. Ammeter
7 Efficiency of transformer does not affected by
A. Input voltage
B. Core of transformer
C. Insulation between sheet
D. Resistance of coils
8
Question Image
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
9 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
10 A.C is converted into D.C by
A. Dynamo
B. Rectifier
C. Motor
D. Transformer

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