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 self induction emf is some times called.

Question # 2

In A.C. inductor behaves as

Question # 3

The mutual inductance between two coils depends upon their

Question # 4

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

Question # 5

Eddy current is one cause energy loss in

Question # 6

The working principle of transformer is.

Question # 7

A real transformer does not change.

Question # 8

Lenz's law was given by Heinrich lenz in:

Question # 9

Electric current produces magnetic field, was suggested by.

Question # 10

A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.

Question # 11

split rings are used in

Question # 12

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 # 13

A.C is converted into D.C by

Question # 14

SI unit of hennery which is.

Question # 15

Electromagnetic induction obeys law of conservation

Question # 16

EMF is induced due to change in

Question # 17

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

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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 Commutator was invented in
A. 1834
B. 1820
C. 1840
D. 1835
2 In A.C. inductor behaves as
A. Capacitor
B. Resistor
C. Commutator
D. Transistor
3 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
4 B2/2p is the expression of.
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
5 A simple device that prevents the direction of current from changing is called.
A. Commutator
B. Rotor
C. Armature
D. Detector
6 DC generator by william Sturgeon in:
A. 1894
B. 1961
C. 1834
D. 1961
7 The self induction emf is some times called.
A. Motional emf
B. Constant emf
C. Back emf
D. Variable emf
8 When a conductor moves across a magnetic field an emf is set up this emf is called.
A. Variable emf
B. Constant emf
C. Back emf
D. Induced emf
9 The device in which induced emf is statically induced emf is:
A. Transforms
B. AC generator
C. Alevator
D. Dynamo
10 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

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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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