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

00:00
Question # 1

A real transformer does not change.

Question # 2

The unit of induced emf is

Question # 3

The jerks in D.C. motor are created by the use of.

Question # 4

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 # 5

With the speed of motor, magnitude of back emf

Question # 6

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.

Question # 7

Electric current produces magnetic field, was suggested by.

Question # 8

For inducing emf in a coil the basic requirement is that:

Question # 9

Eddy current is produced when:

Question # 10

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

Question # 11

Energy density in an inductor is.

Question # 12

1 Henry =

Question # 13

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

Question # 14

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

Question # 15

If D.C. input for step up transformer, the output is

Question # 16

Transformer is used to change

Question # 17

When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in

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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 If speed of rotation of a generator is doubled the output voltage will be.
A. Remain same
B. Double
C. Four time
D. One half
2 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
3
Question Image
4 With the speed of motor, magnitude of back emf
A. Remain same
B. Increase
C. Decrease
D. First increases then decreases
5 The Direction of induced current is always so as to oppose the change which causes the current, is:
A. Faraday's law
B. Lenz's law
C. Ohm's law
D. Kirchhoff' s1ast rule
6 The application of mutual induction is a.
A. D.C. motor
B. Radio
C. Television
D. Transformer
7 The illustration of the phenomenon of mutual induction is in the device of
A. Transformer
B. Inductor
C. A.C. Generator
D. Ammeter
8 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
9 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
10 Lenz's law presented in
A. 1834
B. 1934
C. 1826
D. 1836

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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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