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

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

Question # 2

The emf induced by the motion of a conductor across a magnetic field is called:

Question # 3

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

Question # 4

Energy stored in an inductor is:

Question # 5

Which of the following converts electrical energy into mechanical energy.

Question # 6

The direction of induced current is always so as to oppose the change which causes the current is:

Question # 7

B2/2p is the expression of.

Question # 8

Output of D.C. motor is

Question # 9

One henry is equal to

Question # 10

Transformer is used to change

Question # 11

Energy density in an inductor is.

Question # 12

If the coil is wound on iron core, the flux through it.

Question # 13

The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:

Question # 14

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

Question # 15

When back emf in motor is zero, it draws.

Question # 16

DC generator by william Sturgeon in:

Question # 17

Self inductance of a long solenoid is given 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 Mutual induction has a practical role in the performance of the.
A. Radio choke
B. Transformers
C. A.C. Generator
D. D.C. Generator
2 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
3 A simple device that prevents the direction of current from changing is called.
A. Commutator
B. Rotor
C. Armature
D. Detector
4 The motional emf is give by
A. qvB
B. IBL
C. eBL
D. vBL
5 The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
A. Antoclockwise
B. Clockwise
C. First Clockwise and then Antoclockwise
D. First anticlockwise and then Clockwise
6 The device in which induced emf is statically induced emf is:
A. Transforms
B. AC generator
C. Alevator
D. Dynamo
7 For inducing emf in a coil the basic requirement is that:
A. Flux should link the coil
B. Change in flux should link the coil
C. Coil should form a closed loop
D. Both (b) and (c) are true
8 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
9 Self inductance of a long solenoid is given by
D. None of the above
10 If the coil is wound on iron core, the flux through it.
A. Decreases
B. Becomes zero
C. Increases
D. Remains constant

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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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