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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MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 15 Online MCQ's Test"

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Physics FSC Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

EMF is induced due to change in

Question # 2

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

Question # 3

If the coil is wound on iron core, the flux through it.

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

A.C is converted into D.C by

Question # 8

If D.C. input for step up transformer, the output is

Question # 9

The motional emf depends upon the

Question # 10

The motional emf developed in a conduction depends upon.

Question # 11

With the speed of motor, magnitude of back emf

Question # 12

Lenz's law presented in

Question # 13

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

Question # 14

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 # 15

By winding the coil around a less magnetic core, self induction.

Question # 16

The application of mutual induction is a.

Question # 17

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

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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 For step down transformer
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np
2
Question Image
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
3 When the back emf in a current is zero, it draws
A. Zero current
B. Maximum current
C. Minimum current
D. Steady average current
4 The direction of induced current is always so as to oppose the change which causes the current, this is the statement of
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. Coulomb's law
5 The magnitude of motional emf is given by
6 The working principle of transformer is.
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
7 The mutual inductance between two coils depends upon their
A. Size
B. Core material
C. Size, core material and separation
D. Separation
8 Efficiency of transformer does not affected by
A. Input voltage
B. Core of transformer
C. Insulation between sheet
D. Resistance of coils
9 Electromagnetic induction obeys law of conservation
A. Charge
B. Energy
C. Momentum
D. Mass
10 Lenz's law is a consequence of the law of conservation of
A. Charge
B. Momentum
C. Energy
D. Angular momentum

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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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