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

Which one is not present in A.C. generator.

Question # 2

In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.

Question # 3

The Si unit of Mutual inductance is:

Question # 4

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

Question # 5

Eddy current is one cause energy loss in

Question # 6

When the back emf in a current is zero, it draws

Question # 7

SI unit of hennery which is.

Question # 8

If force in the direction of velocity of conductor,  then induced current is directed,

Question # 9

Transformer is used to change

Question # 10

A real transformer does not change.

Question # 11

Michael Faraday and Joseph Henry belongs to

Question # 12

split rings are used in

Question # 13

When motor is just started, back emf is almost.

Question # 14

Energy density in an inductor is.

Question # 15

A.C. Generator based upon the

Question # 16

If speed of rotation of a generator is doubled the output voltage will be.

Question # 17

The winding of the electromagnet in motor are usually called.

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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 self induction emf is some times called.
A. Motional emf
B. Constant emf
C. Back emf
D. Variable emf
2 The mutual inductance between two coils depends upon their
A. Size
B. Core material
C. Size, core material and separation
D. Separation
3 If we make magnetic field stronger the value of induced current is.
A. Decreased
B. Increased
C. Vanishes
D. Remain constant
4 If the coil is wound on iron core, the flux through it.
A. Decreases
B. Becomes zero
C. Increases
D. Remains constant
5 A.C. Generator based upon the
A. Lenz's law
B. Maxwell's relation
C. Faradays law of electromagnet induction
D. Mutual induction
6 The motional emf is give by
A. qvB
B. IBL
C. eBL
D. vBL
7 The mutual inductance of the coils depends upon.
A. Stiffness of the coils
B. Density of coils
C. Material of coils
D. Geometry of the coils
8 split rings are used in
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
9 With the speed of motor, magnitude of back emf
A. Remain same
B. Increase
C. Decrease
D. First increases then decreases
10 If magnetic field is doubled then magnetic energy density becomes.
A. Four times
B. Two times
C. Three times
D. Six times

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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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