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

Energy density in an inductor is.

Question # 2

Self induction does not depend on

Question # 3

Mutual induction play role in.

Question # 4

For step down transformer

Question # 5

Energy stored in an inductor is:

Question # 6

Michael Faraday and Joseph Henry belongs to

Question # 7

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 # 8

Lenz's law was given by Heinrich lenz in:

Question # 9

When motor is just started, back emf is almost.

Question # 10

Eddy current is one cause energy loss in

Question # 11

Eddy current is produced when:

Question # 12

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.

Question # 13

Which of the following converts electrical energy into mechanical energy.

Question # 14

The motional emf developed in a conduction depends upon.

Question # 15

Lenz's law presented in

Question # 16

The induced emf in a coil is proportional to:

Question # 17

A.C. Generator based upon the

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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 1 Henry =
A. VSA-1
B. VS-1A-1
C. V-1SA
D. VSA-2
2 In A.C. inductor behaves as
A. Capacitor
B. Resistor
C. Commutator
D. Transistor
3 Output of D.C. motor is
A. A.C. energy
B. Mechanical energy
C. Chemical energy
D. D.C. energy
4 A step up transformer is used 120 V line to provide 240 V. If primary coil has 100 turns the number of turns is secondary is.
A. 50
B. 100
C. 150
D. 200
5 Induced emf in A.C. generator can be increased by
A. Decreasing area of coil
B. Decreasing magnetic field
C. Increasing area of coil
D. Slowing down speed of coil
6 In D.C. generator, split rings act as.
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
7 The magnitude of motional emf is given by
8 With the speed of motor, magnitude of back emf
A. Remain same
B. Increase
C. Decrease
D. First increases then decreases
9 B2/2p is the expression of.
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
10 When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in
A. Flux density
B. Electric flux
C. Magnetic flux
D. Magnetic field strength

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