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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  • Total Questions17

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Physics ICS Part 2 Chapter 15 Online MCQ's Test

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Question # 1

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

Question # 2

A metal rod of 1 m is moving at a speed of 1 ms-1 in a direction making an angle 30 o with 0.5 T magnetic field . The emf produced is.

Question # 3

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

Question # 4

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?

Question # 5

The magnitude of motional emf is given by

Question # 6

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

Question # 7

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

Question # 8

Energy stored in an inductor is:

Question # 9

A simple device that prevents the direction of current from changing is called.

Question # 10

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

Question # 11

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

Question # 12

SI unit of hennery which is.

Question # 13

The device in which induced emf is statically induced emf is:

Question # 14

Michael Faraday and Joseph Henry belongs to

Question # 15

Mutual induction play role in.

Question # 16

1 Henry =

Question # 17

The unit of induced emf is

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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 illustration of the phenomenon of mutual induction is in the device of
A. Transformer
B. Inductor
C. A.C. Generator
D. Ammeter
3 The motional emf is give by
A. qvB
B. IBL
C. eBL
D. vBL
4
Question Image
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
5 The working principle of transformer is.
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
6 The Si unit of Mutual inductance is:
A. VA-1S-1
B. VAS-1
C. VSA-1
D. ASV-1
7 When motor is just started, back emf is almost.
A. Maximum
B. Zero
C. Minimum
D. Infinite
8 Unit of self inductance is
A. Weber
B. Tesla
C. Henry
D. Farad
9 If magnetic field is doubled then magnetic energy density becomes.
A. Four times
B. Two times
C. Three times
D. Six times
10 Self inductance of a long solenoid is given by
D. None of the above

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