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

When motor is just started, back emf is almost.

Question # 2

The motional emf developed in a conduction depends upon.

Question # 3

The induced emf in a coil is proportional to:

Question # 4

Lenz's law was given by Heinrich lenz in:

Question # 5

The illustration of the phenomenon of mutual induction is in the device of

Question # 6

Self induction does not depend on

Question # 7

The Si unit of Mutual inductance is:

Question # 8

In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.

Question # 9

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

Question # 10

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

Question # 11

Energy stored in an inductor is:

Question # 12

The self induction emf is some times called.

Question # 13

With the speed of motor, magnitude of back emf

Question # 14

A.C. Generator based upon the

Question # 15

For inducing emf in a coil the basic requirement is that:

Question # 16

Lenz's law is a consequence of the law of conservation of

Question # 17

The only difference between the construction of D.C and A.C is.

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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 current induced can be increased by:
A. Using a stronger magnetic field
B. Moving the loop faster
C. Replacing the loop bay coi of many turns
D. All of above
2 the core of transformer is laminated so reduce.
A. Magnetic loss
B. Hysteresis loss
C. Eddy current loss
D. Electric loss
3 The device in which induced emf is statically induced emf is:
A. Transforms
B. AC generator
C. Alevator
D. Dynamo
4 Energy density in an inductor is.
A. Directly proportional to magnetic field
B. Directly proportional to square of magnetic field
C. Inversely proportional to magnetic field
D. Inversely proportional to square of magnetic field
5 Michael Faraday and Joseph Henry belongs to
A. England and USA
B. France and USA
C. China and USA
D. None of these
6
Question Image
7 Self inductance of a long solenoid is given by
D. None of the above
8 If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
A. Current
B. Power
C. Voltage
D. Direction of winding
9 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
10 In self induction A coil is connected in__________ with battery and a rheostat.
A. Parallel
B. Series
C. Both A and B
D. None of above

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