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

Question # 2

The magnitude of motional emf is given by

Question # 3

In A.C. inductor behaves as

Question # 4

If we make magnetic field stronger the value of induced current is.

Question # 5

If magnetic field is doubled then magnetic energy density becomes.

Question # 6

Electromagnetic induction obeys law of conservation

Question # 7

Energy density of an inductor is:

Question # 8

When the back emf is zero, its draws.

Question # 9

Electric current produces magnetic field, was suggested by.

Question # 10

The negative sign with induced emf in Faraday's law is in accordance with

Question # 11

Electromagnetic induction is exactly according to law of:

Question # 12

For step down transformer

Question # 13

The motional emf depends upon the

Question # 14

Lenz's law deals with

Question # 15

Mutual induction play role in.

Question # 16

The direction of induced current is always so as to oppose the change which causes the current is:

Question # 17

Lenz's law was given by Heinrich lenz in:

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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 A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
A. 0.1 J
B. 10 J
C. 100 J
D. 1000 J
2 If 10 A current passes through 100 mH inductor, then energy stored is.
A. 100 J
B. 5 J
C. 20 J
D. Zero
3 Output of D.C. motor is
A. A.C. energy
B. Mechanical energy
C. Chemical energy
D. D.C. energy
4 Unit of self inductance is
A. Weber
B. Tesla
C. Henry
D. Farad
5 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
6 Electromagnetic induction obeys law of conservation
A. Charge
B. Energy
C. Momentum
D. Mass
7 The mutual inductance between two coils depends upon their
A. Size
B. Core material
C. Size, core material and separation
D. Separation
8 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
9 What is the co-efficient of mutual inductance, when the magnetic flux changes by 2 x 10-2 Wb, and change in current is 0.01 A?
A. 2 H
B. 3 H
C. 1/2 H
D. Zero
10 Which of the following quantities remain constant in step up transformer?
A. Current
B. Voltage
C. Power
D. Heat

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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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