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

DC generator by william Sturgeon in:

Question # 2

Self induction does not depend on

Question # 3

Energy stored in inductor is.

Question # 4

Unit of self inductance is

Question # 5

split rings are used in

Question # 6

One henry is equal to

Question # 7

Transformer is used to change

Question # 8

The magnitude of back emf:

Question # 9

With the speed of motor, magnitude of back emf

Question # 10

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

Question # 11

Commutator was invented by:

Question # 12

Efficiency of transformer does not affected by

Question # 13

Lenz's law deals with

Question # 14

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 # 15

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

Question # 16

In case of inductor , energy is stored in the

Question # 17

The direction of induced current is always so as to oppose the change which causes the current 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 Lenz's law was given by Heinrich lenz in:
A. 1894
B. 1904
C. 1854
D. 1834
2 If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
A. Current
B. Power
C. Voltage
D. Direction of winding
3 When a motor is over loaded then the magnitude of back emf.
A. Increases
B. Decreases
C. Remain constant
D. Zero
4 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
5 Mutual induction play role in.
A. Generator
B. D.C. motor
C. Galvanometer
D. Transformer
6 DC generator by william Sturgeon in:
A. 1894
B. 1961
C. 1834
D. 1961
7 The motional emf developed in a conduction depends upon.
A. Length
B. Orientation
C. Magnetic field
D. All of the above
8 The device in the circuit that consume electrical energy are known as.
A. Dissipaters
B. Generator
C. Load
D. Motors
9 The induction can be increased by winding the wire around a core made of.
A. Copper
B. Silicon
C. Iron
D. Aluminum
10 Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
A. 45 V
B. 15 V
C. 90 V
D. 300 V

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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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