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

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Question # 1

The Si unit of Mutual inductance is:

Question # 2

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

Question # 3

When the back emf in a current is zero, it draws

Question # 4

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

Question # 5

The self induction emf is some times called.

Question # 6

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

Question # 7

In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.

Question # 8

For step down transformer

Question # 9

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 # 10

Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?

Question # 11

EMF is induced due to change in

Question # 12

What is the co-efficient of mutual inductance, when the magnetic flux changes by 2 x 10-2 Wb, and change in current is 0.01 A?

Question # 13

The  Lenz's law is also statement of:

Question # 14

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

Question # 15

Mutual induction play role in.

Question # 16

Step up transformer is used.

Question # 17

In A.C. inductor behaves as

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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 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
2 Which one is not present in A.C. generator.
A. Armature
B. Magnet
C. Slip rings
D. Commutator
3 In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
A. NwAB
B. 2pi f
C. Maximum
D. Zero
4 A.C is converted into D.C by
A. Dynamo
B. Rectifier
C. Motor
D. Transformer
5 Mutual induction play role in.
A. Generator
B. D.C. motor
C. Galvanometer
D. Transformer
6 Output of D.C. motor is
A. A.C. energy
B. Mechanical energy
C. Chemical energy
D. D.C. energy
7 Electromagnetic induction obeys law of conservation
A. Charge
B. Energy
C. Momentum
D. Mass
8 Self inductance of a long solenoid is given by
D. None of the above
9 The Si unit of Mutual inductance is:
A. VA-1S-1
B. VAS-1
C. VSA-1
D. ASV-1
10 In A.C. inductor behaves as
A. Capacitor
B. Resistor
C. Commutator
D. Transistor

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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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