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

EMF is induced due to change in

Question # 2

the core of transformer is laminated so reduce.

Question # 3

The mutual inductance between two coils depends upon their

Question # 4

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

Question # 5

A current generator device converts:

Question # 6

Which one is not present in A.C. generator.

Question # 7

Electromagnetic induction obeys law of conservation

Question # 8

The rod of unit length is moving at 30 o through a magnetic field of 1 T. If the velocity of rod is 1 m/s, then induced emf in the rod will be given by

Question # 9

1 Henry =

Question # 10

Commentator was invented by

Question # 11

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

Question # 12

Mutual induction play role in.

Question # 13

When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in

Question # 14

The direction of induced current is always so as to oppose the change which causes the current, this is the statement of

Question # 15

Electromagnetic induction is exactly according to law of:

Question # 16

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

Question # 17

In A.C. inductor behaves 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 A.C. Generator based upon the
A. Lenz's law
B. Maxwell's relation
C. Faradays law of electromagnet induction
D. Mutual induction
2 Self induction does not depend on
A. Number of turns of the coil
B. Area of cross section of the core
C. Nature of material of the core
D. Current through inductor
3 The self induction emf is some times called.
A. Motional emf
B. Constant emf
C. Back emf
D. Variable emf
4 Unit of self inductance is
A. Weber
B. Tesla
C. Henry
D. Farad
5 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
6 If speed of rotation of a generator is doubled the output voltage will be.
A. Remain same
B. Double
C. Four time
D. One half
7 The  Lenz's law is also statement of:
A. Law of conservation of mass
B. Law of conservation of charge
C. Law of conservation of energy
D. Law of conservation of momentum
8 Which one is not present in A.C. generator.
A. Armature
B. Magnet
C. Slip rings
D. Commutator
9 Efficiency of transformer does not affected by
A. Input voltage
B. Core of transformer
C. Insulation between sheet
D. Resistance of coils
10 DC generator by william Sturgeon in:
A. 1894
B. 1961
C. 1834
D. 1961

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