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

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Question # 1

B2/2p is the expression of.

Question # 2

The induction can be increased by winding the wire around a core made of.

Question # 3

Unit of self inductance is

Question # 4

The device in the circuit that consume electrical energy are known as.

Question # 5

When a motor is over loaded then the magnitude of back emf.

Question # 6

Lenz's law presented in

Question # 7

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

Question # 8

If the coil is wound on iron core, the flux through it.

Question # 9

The  Lenz's law is also statement of:

Question # 10

One henry is equal to

Question # 11

Electromagnetic induction obeys law of conservation

Question # 12

In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.

Question # 13

1 Henry =

Question # 14

Lenz's law was given by Heinrich lenz in:

Question # 15

The motional emf developed in a conduction depends upon.

Question # 16

The unit of induced emf is

Question # 17

Which of the following quantities remain constant in step up transformer?

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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 The winding of the electromagnet in motor are usually called.
A. Magnetic coils
B. Field coils
C. Electric coils
D. electric o electric coils
2 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
3 The device in which induced emf is statically induced emf is:
A. Transforms
B. AC generator
C. Alevator
D. Dynamo
4 The magnitude of back emf:
A. Increases with sped of motor
B. Decreases with speed of motor
C. Remains same 
D. None of above
5 In case of inductor , energy is stored in the
A. Electric field
B. Magnetic field
C. Potential field
D. Gravitational field
6 Which of the following converts electrical energy into mechanical energy.
A. Transformer
B. A.C. generator
C. D.C. generator
D. D.C. motor
7 The movement of conductor in magnetic field produces electrical current was discovered in:
A. 1931
B. 1731
C. 1842
D. 1831
8 Efficiency of transformer does not affected by
A. Input voltage
B. Core of transformer
C. Insulation between sheet
D. Resistance of coils
9 Michael Faraday and Joseph Henry belongs to
A. England and USA
B. France and USA
C. China and USA
D. None of these
10 The mutual inductance between two coils depends upon their
A. Size
B. Core material
C. Size, core material and separation
D. Separation

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