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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Physics FSC Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

Mutual induction has a practical role in the performance of the.

Question # 2

A.C. Generator based upon the

Question # 3

If we make magnetic field stronger the value of induced current is.

Question # 4

When motor is just started, back emf is almost.

Question # 5

Eddy current is produced when:

Question # 6

A step up transformer is used 120 V line to provide 240 V. If primary coil has 100 turns the number of turns is secondary is.

Question # 7

A.C is converted into D.C by

Question # 8

For step down transformer

Question # 9

The motional emf developed in a conduction depends upon.

Question # 10

Electromagnetic induction is exactly according to law of:

Question # 11

split rings are used in

Question # 12

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

Question # 13

EMF is induced due to change in

Question # 14

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

Question # 15

When the back emf is zero, its draws.

Question # 16

Eddy current is one cause energy loss in

Question # 17

The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:

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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 If we make magnetic field stronger the value of induced current is.
A. Decreased
B. Increased
C. Vanishes
D. Remain constant
2 Which of the following converts electrical energy into mechanical energy.
A. Transformer
B. A.C. generator
C. D.C. generator
D. D.C. motor
3 The emf induced by the motion of a conductor across a magnetic field is called:
A. Motional emf
B. Rotational emf
C. Induced emf
D. All of above
4 If force in the direction of velocity of conductor,  then induced current is directed,
A. Anti clockwise
B. Clock wise
C. At equilibrium
D. None of above
5 The application of mutual induction is a.
A. D.C. motor
B. Radio
C. Television
D. Transformer
6 Commentator was invented by
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon
7 Energy density in an inductor is.
A. Directly proportional to magnetic field
B. Directly proportional to square of magnetic field
C. Inversely proportional to magnetic field
D. Inversely proportional to square of magnetic field
8 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
9 With the speed of motor, magnitude of back emf
A. Remain same
B. Increase
C. Decrease
D. First increases then decreases
10 The  Lenz's law is also statement of:
A. Law of conservation of mass
B. Law of conservation of charge
C. Law of conservation of energy
D. Law of conservation of momentum

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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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