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

Energy density of an inductor is:

Question # 2

Which of the following quantities remain constant in step up transformer?

Question # 3

In case of inductor , energy is stored in the

Question # 4

The winding of the electromagnet in motor are usually called.

Question # 5

A current generator device converts:

Question # 6

Commutator was invented by:

Question # 7

The self induction emf is some times called.

Question # 8

In A.C. inductor behaves as

Question # 9

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 # 10

The mutual inductance of the coils depends upon.

Question # 11

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

Question # 12

The mutual inductance between two coils depends upon their

Question # 13

B2/2p is the expression of.

Question # 14

1 Henry =

Question # 15

Eddy current is produced when:

Question # 16

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

Question # 17

For inducing emf in a coil the basic requirement is that:

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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 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
2 The mutual inductance between two coils depends upon their
A. Size
B. Core material
C. Size, core material and separation
D. Separation
3 A real transformer does not change.
A. Voltage level
B. Current level
C. Power level
D. Frequency
4 When a motor is over loaded then the magnitude of back emf.
A. Increases
B. Decreases
C. Remain constant
D. Zero
5 The induction can be increased by winding the wire around a core made of.
A. Copper
B. Silicon
C. Iron
D. Aluminum
6 Lenz's law deals with
A. Magnitude of emf
B. Direction emf
C. Direction of induced current
D. Resistance
7 If D.C. input for step up transformer, the output is
A. Zero
B. High
C. Low
D. May be high or low
8 Commentator was invented by
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon
9 The Lenz's law fulfils.
A. Law of conservation of energy
B. Law of conservation of charge
C. Law of conservation of momentum
D. Kirchhoff's law
10 The magnitude of motional emf is given by

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  • sania  saeed

    sania saeed

    16 Nov 2017

    ye log poore number nai dete jan bhooj kar

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  • ayesha

    ayesha

    11 May 2017

    2 mcqs k ans ghalat hain irrespective k wo book ki statements hain

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