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

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

Question # 2

The Lenz's law fulfils.

Question # 3

Commentator was invented by

Question # 4

Self induction does not depend on

Question # 5

A.C. Generator based upon the

Question # 6

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

Question # 7

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

Question # 8

Eddy current is one cause energy loss in

Question # 9

Electromagnetic induction obeys law of conservation

Question # 10

The motional emf is give by

Question # 11

EMF is induced due to change in

Question # 12

The application of mutual induction is a.

Question # 13

The jerks in D.C. motor are created by the use of.

Question # 14

When the back emf in a current is zero, it draws

Question # 15

Which of the following converts electrical energy into mechanical energy.

Question # 16

When motor is just started, back emf is almost.

Question # 17

By winding the coil around a less magnetic core, self induction.

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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 A current generator device converts:
A. Mechanical energy into chemical energy
B. Chemical energy into electrical energy
C. Mechanical energy into electrical energy
D. Both b and c
2 Unit of self inductance is
A. Weber
B. Tesla
C. Henry
D. Farad
3 Self inductance of a long solenoid is given by
D. None of the above
4 Electric current produces magnetic field, was suggested by.
A. Faraday
B. Oersted
C. Henry
D. Lenz
5 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
6 The unit of induced emf is
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
7 A.C is converted into D.C by
A. Dynamo
B. Rectifier
C. Motor
D. Transformer
8 The motional emf depends upon the
A. Length of conductor
B. Speed of conductor
C. Strength of magnet
D. All of these
9 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?
A. 2 H
B. 3 H
C. 1/2 H
D. Zero
10 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

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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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