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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  • Total Questions17

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Physics FSC Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

The current induced can be increased by:

Question # 2

A.C. Generator based upon the

Question # 3

The Si unit of Mutual inductance is:

Question # 4

The device in which induced emf is statically induced emf is:

Question # 5

When the back emf is zero, its draws.

Question # 6

In D.C. generator, split rings act as.

Question # 7

The motional emf depends upon the

Question # 8

Energy stored in an inductor is:

Question # 9

If we make magnetic field stronger the value of induced current is.

Question # 10

The device in the circuit that consume electrical energy are known as.

Question # 11

Mutual induction play role in.

Question # 12

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

Question # 13

The Lenz's law fulfils.

Question # 14

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 # 15

In a coil current change from 2 to 4 A in .05 s . If the average induced emf is 8 V then coefficient of self-inductance is:

Question # 16

The only difference between the construction of D.C and A.C is.

Question # 17

The self induction emf is some times 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 mutual inductance between two coils depends upon their
A. Size
B. Core material
C. Size, core material and separation
D. Separation
2 If magnetic field is doubled then magnetic energy density becomes.
A. Four times
B. Two times
C. Three times
D. Six times
3 Electromagnetic induction obeys law of conservation
A. Charge
B. Energy
C. Momentum
D. Mass
4 The working principle of transformer is.
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
5 In D.C. generator, split rings act as.
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
6 If D.C. input for step up transformer, the output is
A. Zero
B. High
C. Low
D. May be high or low
7 If 10 A current passes through 100 mH inductor, then energy stored is.
A. 100 J
B. 5 J
C. 20 J
D. Zero
8 The winding of the electromagnet in motor are usually called.
A. Magnetic coils
B. Field coils
C. Electric coils
D. electric o electric coils
9 For step down transformer
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np
10 The self induction emf is some times called.
A. Motional emf
B. Constant emf
C. Back emf
D. Variable emf

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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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