2nd Year Physics Chapter 15 Online MCQ Test for 12th Class Physics Chapter 15 (Electromagnetic Induction)

ICS Part 2 Physics
Chapter 15 Test

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

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Physics ICS Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

The motional emf depends upon the

Question # 2

The working principle of transformer is.

Question # 3

EMF is induced due to change in

Question # 4

The self induction emf is some times called.

Question # 5

DC generator by william Sturgeon in:

Question # 6

In A.C. inductor behaves as

Question # 7

The Lenz's law fulfils.

Question # 8

When back emf in motor is zero, it draws.

Question # 9

The motional emf developed in a conduction depends upon.

Question # 10

Commentator was invented by

Question # 11

Energy stored in an inductor is:

Question # 12

Lenz's law deals with

Question # 13

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 # 14

A current generator device converts:

Question # 15

Which of the following converts electrical energy into mechanical energy.

Question # 16

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

Question # 17

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

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ICS 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 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
2 In case of inductor , energy is stored in the
A. Electric field
B. Magnetic field
C. Potential field
D. Gravitational field
3 Commentator was invented by
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon
4 For step down transformer
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np
5 Unit of self inductance is
A. Weber
B. Tesla
C. Henry
D. Farad
6 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
7 The movement of conductor in magnetic field produces electrical current was discovered in:
A. 1931
B. 1731
C. 1842
D. 1831
8 With the speed of motor, magnitude of back emf
A. Remain same
B. Increase
C. Decrease
D. First increases then decreases
9 A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
A. 0.1 J
B. 10 J
C. 100 J
D. 1000 J
10 A.C is converted into D.C by
A. Dynamo
B. Rectifier
C. Motor
D. Transformer

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