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

Eddy current is one cause energy loss in

Question # 2

If D.C. input for step up transformer, the output is

Question # 3

Eddy current is produced when:

Question # 4

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

Question # 5

Mutual induction play role in.

Question # 6

Electric current produces magnetic field, was suggested by.

Question # 7

The motional emf is give by

Question # 8

The mutual inductance of the coils depends upon.

Question # 9

the core of transformer is laminated so reduce.

Question # 10

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

Question # 11

Energy density in an inductor is.

Question # 12

The working principle of transformer is.

Question # 13

Lenz's law presented in

Question # 14

The induced emf in a coil is proportional to:

Question # 15

Electromagnetic induction obeys law of conservation

Question # 16

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

Question # 17

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

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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 If 10 A current passes through 100 mH inductor, then energy stored is.
A. 100 J
B. 5 J
C. 20 J
D. Zero
2 Which one is not present in A.C. generator.
A. Armature
B. Magnet
C. Slip rings
D. Commutator
3 If magnetic field is doubled then magnetic energy density becomes.
A. Four times
B. Two times
C. Three times
D. Six times
4 Output of D.C. motor is
A. A.C. energy
B. Mechanical energy
C. Chemical energy
D. D.C. energy
5 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
6 When motor is just started, back emf is almost.
A. Maximum
B. Zero
C. Minimum
D. Infinite
7 Electromagnetic induction obeys law of conservation
A. Charge
B. Energy
C. Momentum
D. Mass
8 If the north pole of a magnet moves away from a metallic ring
A. Clockwise
B. Anticlockwise
C. First clockwise and then anticlockwise
D. None of above
9 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
10 The motional emf depends upon the
A. Length of conductor
B. Speed of conductor
C. Strength of magnet
D. All of these

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