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

The movement of conductor in magnetic field produces electrical current was discovered in:

Question # 2

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

Question # 3

Michael Faraday and Joseph Henry belongs to

Question # 4

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

Question # 5

Eddy current is one cause energy loss in

Question # 6

Eddy current is produced when:

Question # 7

Energy stored in an inductor is:

Question # 8

The unit of induced emf is

Question # 9

B2/2p is the expression of.

Question # 10

When the back emf is zero, its draws.

Question # 11

The Lenz's law fulfils.

Question # 12

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

Question # 13

Step up transformer is used.

Question # 14

The mutual inductance of the coils depends upon.

Question # 15

The mutual inductance between two coils depends upon their

Question # 16

Mutual induction has a practical role in the performance of the.

Question # 17

Electromagnetic induction obeys law of conservation

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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 A current generator device converts:
A. Mechanical energy into chemical energy
B. Chemical energy into electrical energy
C. Mechanical energy into electrical energy
D. Both b and c
3 Which of the following quantities remain constant in step up transformer?
A. Current
B. Voltage
C. Power
D. Heat
4 The induction can be increased by winding the wire around a core made of.
A. Copper
B. Silicon
C. Iron
D. Aluminum
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 Lenz's law deals with
A. Magnitude of emf
B. Direction emf
C. Direction of induced current
D. Resistance
7 If force in the direction of velocity of conductor,  then induced current is directed,
A. Anti clockwise
B. Clock wise
C. At equilibrium
D. None of above
8 The jerks in D.C. motor are created by the use of.
A. Armature
B. Commutators
C. Split rings
D. Source of emf
9 Which one is not present in A.C. generator.
A. Armature
B. Magnet
C. Slip rings
D. Commutator
10 A.C is converted into D.C by
A. Dynamo
B. Rectifier
C. Motor
D. Transformer

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