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

Transformer is used to change

Question # 2

In self induction A coil is connected in__________ with battery and a rheostat.

Question # 3

A real transformer does not change.

Question # 4

The device in which induced emf is statically induced emf is:

Question # 5

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

Question # 6

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 # 7

The device in the circuit that consume electrical energy are known as.

Question # 8

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

Question # 9

Commutator was invented in

Question # 10

In case of inductor , energy is stored in the

Question # 11

When motor is just started, back emf is almost.

Question # 12

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

Question # 13

Electric current produces magnetic field, was suggested by.

Question # 14

Electromagnetic induction obeys law of conservation

Question # 15

When a conductor moves across a magnetic field an emf is set up this emf is called.

Question # 16

The motional emf developed in a conduction depends upon.

Question # 17

SI unit of hennery which is.

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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 The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
A. Antoclockwise
B. Clockwise
C. First Clockwise and then Antoclockwise
D. First anticlockwise and then Clockwise
2 Mutual induction has a practical role in the performance of the.
A. Radio choke
B. Transformers
C. A.C. Generator
D. D.C. Generator
3 A step up transformer is used 120 V line to provide 240 V. If primary coil has 100 turns the number of turns is secondary is.
A. 50
B. 100
C. 150
D. 200
4 Which one is not present in A.C. generator.
A. Armature
B. Magnet
C. Slip rings
D. Commutator
5 The emf induced by the motion of a conductor across a magnetic field is called:
A. Motional emf
B. Rotational emf
C. Induced emf
D. All of above
6 The Lenz's law fulfils.
A. Law of conservation of energy
B. Law of conservation of charge
C. Law of conservation of momentum
D. Kirchhoff's law
7 Commentator was invented by
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon
8
Question Image
9 One henry is equal to
A. 1 ohm x 1 sec
B. 1 ohm x 1 hertz
C. 1 ohm x 1 metre
D. All of above
10 When motor is just started, back emf is almost.
A. Maximum
B. Zero
C. Minimum
D. Infinite

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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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