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

Step up transformer is used.

Question # 2

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

Question # 3

In A.C. inductor behaves as

Question # 4

When a motor is over loaded then the magnitude of back emf.

Question # 5

A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.

Question # 6

If 10 A current passes through 100 mH inductor, then energy stored is.

Question # 7

If speed of rotation of a generator is doubled the output voltage will be.

Question # 8

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

Question # 9

The winding of the electromagnet in motor are usually called.

Question # 10

Electromagnetic induction is exactly according to law of:

Question # 11

The induced emf in a coil is proportional to:

Question # 12

Energy stored in an inductor is:

Question # 13

The induction can be increased by winding the wire around a core made of.

Question # 14

When the back emf in a current is zero, it draws

Question # 15

Lenz's law was given by Heinrich lenz in:

Question # 16

A real transformer does not change.

Question # 17

Self induction does not depend on

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15th Chapter

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 motional emf is give by
A. qvB
B. IBL
C. eBL
D. vBL
2 The motional emf developed in a conduction depends upon.
A. Length
B. Orientation
C. Magnetic field
D. All of the above
3 Lenz's law deals with
A. Magnitude of emf
B. Direction emf
C. Direction of induced current
D. Resistance
4 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
5 1 Henry =
A. VSA-1
B. VS-1A-1
C. V-1SA
D. VSA-2
6 The negative sign with induced emf in Faraday's law is in accordance with
A. Lenz's law
B. Amperes law
C. Boyle's law
D. Gauss law
7 The device in the circuit that consume electrical energy are known as.
A. Dissipaters
B. Generator
C. Load
D. Motors
8 B2/2p is the expression of.
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
9 Eddy current is one cause energy loss in
A. A.C. generator
B. Transformer
C. D.C. motor
D. D.C. generator
10 The movement of conductor in magnetic field produces electrical current was discovered in:
A. 1931
B. 1731
C. 1842
D. 1831

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  • sania  saeed

    sania saeed

    16 Nov 2017

    ye log poore number nai dete jan bhooj kar

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  • ayesha

    ayesha

    11 May 2017

    2 mcqs k ans ghalat hain irrespective k wo book ki statements hain

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