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

Commutator was invented by:

Question # 2

A.C. Generator based upon the

Question # 3

B2/2p is the expression of.

Question # 4

Eddy current is one cause energy loss in

Question # 5

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

Question # 6

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

Question # 7

Self induction does not depend on

Question # 8

Output of D.C. motor is

Question # 9

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

Question # 10

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

Question # 11

With the speed of motor, magnitude of back emf

Question # 12

Induced emf in A.C. generator can be increased by

Question # 13

split rings are used in

Question # 14

If magnetic field is doubled then magnetic energy density becomes.

Question # 15

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

Question # 16

Unit of self inductance is

Question # 17

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.

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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 The induction can be increased by winding the wire around a core made of.
A. Copper
B. Silicon
C. Iron
D. Aluminum
2 Self induction does not depend on
A. Number of turns of the coil
B. Area of cross section of the core
C. Nature of material of the core
D. Current through inductor
3 When motor is just started, back emf is almost.
A. Maximum
B. Zero
C. Minimum
D. Infinite
4 The magnitude of motional emf is given by
5 1 Henry =
A. VSA-1
B. VS-1A-1
C. V-1SA
D. VSA-2
6 split rings are used in
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
7 Transformer is used to change
A. Electric power
B. Magnetic field
C. Alternating voltage
D. Phase of A.C.
8 B2/2p is the expression of.
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
9 If the coil is wound on iron core, the flux through it.
A. Decreases
B. Becomes zero
C. Increases
D. Remains constant
10 In case of inductor , energy is stored in the
A. Electric field
B. Magnetic field
C. Potential field
D. Gravitational field

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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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