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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MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 15 Online MCQ's Test"

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  • Total Questions17

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Physics FSC Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

The only difference between the construction of D.C and A.C is.

Question # 2

Electromagnetic induction is exactly according to law of:

Question # 3

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

Question # 4

The rod of unit length is moving at 30 o through a magnetic field of 1 T. If the velocity of rod is 1 m/s, then induced emf in the rod will be given by

Question # 5

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

Question # 6

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

Question # 7

The  Lenz's law is also statement of:

Question # 8

In A.C. inductor behaves as

Question # 9

Self induction does not depend on

Question # 10

Which of the following converts electrical energy into mechanical energy.

Question # 11

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

Question # 12

A real transformer does not change.

Question # 13

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

Question # 14

Self inductance of a long solenoid is given by

Question # 15

If force in the direction of velocity of conductor,  then induced current is directed,

Question # 16

Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?

Question # 17

the core of transformer is laminated so reduce.

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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 motional emf depends upon the
A. Length of conductor
B. Speed of conductor
C. Strength of magnet
D. All of these
2 The application of mutual induction is a.
A. D.C. motor
B. Radio
C. Television
D. Transformer
3 The working principle of transformer is.
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
4 Which of the following quantities remain constant in step up transformer?
A. Current
B. Voltage
C. Power
D. Heat
5 The magnitude of motional emf is given by
6 The unit of induced emf is
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
7 Energy stored in an inductor is:
A. 1/2L2I
B. 1/2L2/I
C. 1/2LI2
D. 1/2LI
8 The Si unit of Mutual inductance is:
A. VA-1S-1
B. VAS-1
C. VSA-1
D. ASV-1
9 One henry is equal to
A. 1 ohm x 1 sec
B. 1 ohm x 1 hertz
C. 1 ohm x 1 metre
D. All of above
10 When a motor is over loaded then the magnitude of back emf.
A. Increases
B. Decreases
C. Remain constant
D. Zero

Test Questions

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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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