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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  • Total Questions17

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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

Energy stored in an inductor is:

Question # 3

When the back emf is zero, its draws.

Question # 4

The induced emf in a coil is proportional to:

Question # 5

Eddy current is one cause energy loss in

Question # 6

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

Question # 7

Self induction does not depend on

Question # 8

The current induced can be increased by:

Question # 9

Output of D.C. motor is

Question # 10

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

Question # 11

The working principle of transformer is.

Question # 12

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

Question # 13

In a coil current change from 2 to 4 A in .05 s . If the average induced emf is 8 V then coefficient of self-inductance is:

Question # 14

Which of the following quantities remain constant in step up transformer?

Question # 15

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

Question # 16

Eddy current is produced when:

Question # 17

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

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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 inducing emf in a coil the basic requirement is that:
A. Flux should link the coil
B. Change in flux should link the coil
C. Coil should form a closed loop
D. Both (b) and (c) are true
2 EMF is induced due to change in
A. Charge
B. Current
C. Magnetic flux
D. Electric field
3 Electromagnetic induction obeys law of conservation
A. Charge
B. Energy
C. Momentum
D. Mass
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 The unit of induced emf is
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
6 The induced emf in a coil is proportional to:
A. Magnetic flux through the coil
B. Rate of change of Magnetic flux through the coil
C. Area of the coil
D. Product of magnetic flux flux and area of the coil
7
Question Image
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
8 split rings are used in
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
9 The  Lenz's law is also statement of:
A. Law of conservation of mass
B. Law of conservation of charge
C. Law of conservation of energy
D. Law of conservation of momentum
10 If magnetic field is doubled then magnetic energy density becomes.
A. Four times
B. Two times
C. Three times
D. Six times

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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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