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 mutual inductance of the coils depends upon.

Question # 2

The direction of induced current is always so as to oppose the change which causes the current, this is the statement of

Question # 3

The motional emf is give by

Question # 4

Mutual induction has a practical role in the performance of the.

Question # 5

Commentator was invented by

Question # 6

The induced emf in a coil is proportional to:

Question # 7

Eddy current is produced when:

Question # 8

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

Question # 9

Commutator was invented in

Question # 10

1 Henry =

Question # 11

The Si unit of Mutual inductance is:

Question # 12

Output of D.C. motor is

Question # 13

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

Question # 14

Which one is not present in A.C. generator.

Question # 15

Electromagnetic induction is exactly according to law of:

Question # 16

The illustration of the phenomenon of mutual induction is in the device of

Question # 17

Induced emf in A.C. generator can be increased by

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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 rod of unit length is moving at 30 o through a magnetic field of 1 T. If the velocity of rod is 1 m/s, then induced emf in the rod will be given by
A. I V
B. 0.25 V
C. 0.5 V
D. 0.6 V
2 When motor is just started, back emf is almost.
A. Maximum
B. Zero
C. Minimum
D. Infinite
3 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.
A. 0.25 N
B. 2.5 N
C. 0.25 V
D. 2.5 V
4 Which one is not present in A.C. generator.
A. Armature
B. Magnet
C. Slip rings
D. Commutator
5 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
6 When a motor is over loaded then the magnitude of back emf.
A. Increases
B. Decreases
C. Remain constant
D. Zero
7 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
8 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
9 The working principle of transformer is.
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
10 In case of inductor , energy is stored in the
A. Electric field
B. Magnetic field
C. Potential field
D. Gravitational field

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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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