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

00:00
Question # 1

The movement of conductor in magnetic field produces electrical current was discovered in:

Question # 2

The application of mutual induction is a.

Question # 3

Transformer is used to change

Question # 4

Michael Faraday and Joseph Henry belongs to

Question # 5

Electromagnetic induction obeys law of conservation

Question # 6

The mutual inductance between two coils depends upon their

Question # 7

Electromagnetic induction is exactly according to law of:

Question # 8

The self induction emf is some times called.

Question # 9

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

Question # 10

When the back emf is zero, its draws.

Question # 11

The magnitude of back emf:

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

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

Question # 14

In A.C. inductor behaves as

Question # 15

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

Question # 16

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

Question # 17

The Lenz's law fulfils.

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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 jerks in D.C. motor are created by the use of.
A. Armature
B. Commutators
C. Split rings
D. Source of emf
2 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
3 Eddy current is produced when:
A. A metal is light in varying magnetic field
B. A metal is kept in steady magnetic field
C. A circular coil is placed in a steady magnetic field
D. A current is passed through a circualr coil
4 A.C is converted into D.C by
A. Dynamo
B. Rectifier
C. Motor
D. Transformer
5 In case of inductor , energy is stored in the
A. Electric field
B. Magnetic field
C. Potential field
D. Gravitational field
6 Michael Faraday and Joseph Henry belongs to
A. England and USA
B. France and USA
C. China and USA
D. None of these
7 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.
A. 0.25 N
B. 2.5 N
C. 0.25 V
D. 2.5 V
8 Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
A. 45 V
B. 15 V
C. 90 V
D. 300 V
9 A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
A. 0.1 J
B. 10 J
C. 100 J
D. 1000 J
10 If magnetic field is doubled then magnetic energy density becomes.
A. Four times
B. Two times
C. Three times
D. Six times

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