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

the core of transformer is laminated so reduce.

Question # 2

SI unit of hennery which is.

Question # 3

Unit of self inductance is

Question # 4

Energy stored in inductor is.

Question # 5

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

Question # 6

The magnitude of back emf:

Question # 7

The movement of conductor in magnetic field produces electrical current was discovered in:

Question # 8

When back emf in motor is zero, it draws.

Question # 9

Eddy current is one cause energy loss in

Question # 10

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 # 11

In A.C. inductor behaves as

Question # 12

Self induction does not depend on

Question # 13

The mutual inductance of the coils depends upon.

Question # 14

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

Question # 15

The magnitude of motional emf is given by

Question # 16

In self induction A coil is connected in__________ with battery and a rheostat.

Question # 17

A current generator device converts:

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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 Step up transformer is used.
A. Step up D.C. voltage
B. Step up A.C. voltage
C. Step up both A.C and D.C.
D. Step up A.C. current
2 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
A. I V
B. 0.25 V
C. 0.5 V
D. 0.6 V
3 The magnitude of motional emf is given by
4 A real transformer does not change.
A. Voltage level
B. Current level
C. Power level
D. Frequency
5 The  Lenz's law is also statement of:
A. Law of conservation of mass
B. Law of conservation of charge
C. Law of conservation of energy
D. Law of conservation of momentum
6 When a motor is over loaded then the magnitude of back emf.
A. Increases
B. Decreases
C. Remain constant
D. Zero
7 Efficiency of transformer does not affected by
A. Input voltage
B. Core of transformer
C. Insulation between sheet
D. Resistance of coils
8 What is the co-efficient of mutual inductance, when the magnetic flux changes by 2 x 10-2 Wb, and change in current is 0.01 A?
A. 2 H
B. 3 H
C. 1/2 H
D. Zero
9 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:
A. 0.2 henry
B. 0.1 henry
C. 0.8 henry
D. 0.04 henry
10 In A.C. inductor behaves as
A. Capacitor
B. Resistor
C. Commutator
D. Transistor

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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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