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

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

Question # 2

Energy density of an inductor is:

Question # 3

The magnitude of motional emf is given by

Question # 4

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

Question # 5

Commentator was invented by

Question # 6

SI unit of hennery which is.

Question # 7

A.C. Generator based upon the

Question # 8

The winding of the electromagnet in motor are usually called.

Question # 9

DC generator by william Sturgeon in:

Question # 10

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

Question # 11

A simple device that prevents the direction of current from changing is called.

Question # 12

The unit of induced emf is

Question # 13

In self induction A coil is connected in__________ with battery and a rheostat.

Question # 14

Unit of self inductance is

Question # 15

The motional emf depends upon the

Question # 16

The application of mutual induction is a.

Question # 17

Step up transformer is used.

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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 Output of D.C. motor is
A. A.C. energy
B. Mechanical energy
C. Chemical energy
D. D.C. energy
2 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
3 For step down transformer
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np
4 Energy stored in inductor is.
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
5 Which of the following converts electrical energy into mechanical energy.
A. Transformer
B. A.C. generator
C. D.C. generator
D. D.C. motor
6 Eddy current is one cause energy loss in
A. A.C. generator
B. Transformer
C. D.C. motor
D. D.C. generator
7 When back emf in motor is zero, it draws.
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
8 The magnitude of motional emf is given by
9 The mutual inductance between two coils depends upon their
A. Size
B. Core material
C. Size, core material and separation
D. Separation
10 The mutual inductance of the coils depends upon.
A. Stiffness of the coils
B. Density of coils
C. Material of coils
D. Geometry of the coils

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