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

Electromagnetic induction is exactly according to law of:

Question # 2

Eddy current is one cause energy loss in

Question # 3

SI unit of hennery which is.

Question # 4

Commutator was invented in

Question # 5

The winding of the electromagnet in motor are usually called.

Question # 6

The device in which induced emf is statically induced emf is:

Question # 7

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

Question # 8

Energy stored in an inductor is:

Question # 9

The motional emf depends upon the

Question # 10

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

Question # 11

For step down transformer

Question # 12

If force in the direction of velocity of conductor,  then induced current is directed,

Question # 13

The emf induced by the motion of a conductor across a magnetic field is called:

Question # 14

Lenz's law presented in

Question # 15

1 Henry =

Question # 16

split rings are used in

Question # 17

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

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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 Self inductance of a long solenoid is given by
D. None of the above
2 Commutator was invented by:
A. William bills
B. William Gates
C. William tells
D. William Sturgeon
3 Eddy current is one cause energy loss in
A. A.C. generator
B. Transformer
C. D.C. motor
D. D.C. generator
4 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.
A. 0.25 N
B. 2.5 N
C. 0.25 V
D. 2.5 V
5 The direction of induced current is always so as to oppose the change which causes the current is:
A. Faraday's law
B. Lenz's  law
C. Ohm's law
D. Kirchhoff's 1st rule
6 Unit of self inductance is
A. Weber
B. Tesla
C. Henry
D. Farad
7 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
8 When the back emf in a current is zero, it draws
A. Zero current
B. Maximum current
C. Minimum current
D. Steady average current
9 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
10 Which of the following converts electrical energy into mechanical energy.
A. Transformer
B. A.C. generator
C. D.C. generator
D. D.C. motor

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