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

1 Henry =

Question # 2

The magnitude of motional emf is given by

Question # 3

When motor is just started, back emf is almost.

Question # 4

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

Question # 5

The motional emf is give by

Question # 6

With the speed of motor, magnitude of back emf

Question # 7

The magnitude of back emf:

Question # 8

Energy stored in inductor is.

Question # 9

In case of inductor , energy is stored in the

Question # 10

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

Question # 11

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

Question # 12

The winding of the electromagnet in motor are usually called.

Question # 13

A current generator device converts:

Question # 14

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

Question # 15

Michael Faraday and Joseph Henry belongs to

Question # 16

The mutual inductance between two coils depends upon their

Question # 17

The illustration of the phenomenon of mutual induction is in the device 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 When a conductor moves across a magnetic field an emf is set up this emf is called.
A. Variable emf
B. Constant emf
C. Back emf
D. Induced emf
2 A.C. Generator based upon the
A. Lenz's law
B. Maxwell's relation
C. Faradays law of electromagnet induction
D. Mutual induction
3 Electromagnetic induction is exactly according to law of:
A. Momentum
B. Charge
C. Energy
D. Mass
4
Question Image
5 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
6 Energy stored in inductor is.
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
7 In self induction A coil is connected in__________ with battery and a rheostat.
A. Parallel
B. Series
C. Both A and B
D. None of above
8 The unit of induced emf is
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
9 If D.C. input for step up transformer, the output is
A. Zero
B. High
C. Low
D. May be high or low
10 Mutual induction has a practical role in the performance of the.
A. Radio choke
B. Transformers
C. A.C. Generator
D. D.C. Generator

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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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