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

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

Question # 2

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

Question # 3

DC generator by william Sturgeon in:

Question # 4

In A.C. inductor behaves as

Question # 5

If a step up transformer were 100% efficient the primary and secondary winging's would have the same.

Question # 6

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

Question # 7

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?

Question # 8

Commentator was invented by

Question # 9

Michael Faraday and Joseph Henry belongs to

Question # 10

When the back emf is zero, its draws.

Question # 11

Commutator was invented by:

Question # 12

Electromagnetic induction obeys law of conservation

Question # 13

Electric current produces magnetic field, was suggested by.

Question # 14

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

Question # 15

The Lenz's law fulfils.

Question # 16

The motional emf depends upon the

Question # 17

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

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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 working principle of transformer is.
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
2 Electromagnetic induction is exactly according to law of:
A. Momentum
B. Charge
C. Energy
D. Mass
3 The motional emf developed in a conduction depends upon.
A. Length
B. Orientation
C. Magnetic field
D. All of the above
4 Unit of self inductance is
A. Weber
B. Tesla
C. Henry
D. Farad
5 The device in the circuit that consume electrical energy are known as.
A. Dissipaters
B. Generator
C. Load
D. Motors
6 The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
A. Antoclockwise
B. Clockwise
C. First Clockwise and then Antoclockwise
D. First anticlockwise and then Clockwise
7
Question Image
8 Which of the following converts electrical energy into mechanical energy.
A. Transformer
B. A.C. generator
C. D.C. generator
D. D.C. motor
9 Electric current produces magnetic field, was suggested by.
A. Faraday
B. Oersted
C. Henry
D. Lenz
10 Which of the following quantities remain constant in step up transformer?
A. Current
B. Voltage
C. Power
D. Heat

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