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

For step down transformer

Question # 2

The Si unit of Mutual inductance is:

Question # 3

Electric current produces magnetic field, was suggested by.

Question # 4

Energy density in an inductor is.

Question # 5

Efficiency of transformer does not affected by

Question # 6

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

Question # 7

The emf induced by the motion of a conductor across a magnetic field is called:

Question # 8

The Lenz's law fulfils.

Question # 9

In case of inductor , energy is stored in the

Question # 10

The magnitude of motional emf is given by

Question # 11

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

Question # 12

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

Question # 13

When back emf in motor is zero, it draws.

Question # 14

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

Question # 15

A current generator device converts:

Question # 16

The motional emf is give by

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 Electric current produces magnetic field, was suggested by.
A. Faraday
B. Oersted
C. Henry
D. Lenz
2 The application of mutual induction is a.
A. D.C. motor
B. Radio
C. Television
D. Transformer
3 The motional emf developed in a conduction depends upon.
A. Length
B. Orientation
C. Magnetic field
D. All of the above
4 Efficiency of transformer does not affected by
A. Input voltage
B. Core of transformer
C. Insulation between sheet
D. Resistance of coils
5 Which of the following quantities remain constant in step up transformer?
A. Current
B. Voltage
C. Power
D. Heat
6 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
7 Step up transformer is used.
A. Step up D.C. voltage
B. Step up A.C. voltage
C. Step up both A.C and D.C.
D. Step up A.C. current
8 If we make magnetic field stronger the value of induced current is.
A. Decreased
B. Increased
C. Vanishes
D. Remain constant
9 Electromagnetic induction obeys law of conservation
A. Charge
B. Energy
C. Momentum
D. Mass
10 If 10 A current passes through 100 mH inductor, then energy stored is.
A. 100 J
B. 5 J
C. 20 J
D. Zero

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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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