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

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Question # 1

The induced emf in a coil is proportional to:

Question # 2

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

Question # 3

The mutual inductance between two coils depends upon their

Question # 4

The  Lenz's law is also statement of:

Question # 5

Lenz's law is a consequence of the law of conservation of

Question # 6

Energy stored in inductor is.

Question # 7

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

Question # 8

Mutual induction has a practical role in the performance of the.

Question # 9

A.C is converted into D.C by

Question # 10

Commutator was invented in

Question # 11

The motional emf depends upon the

Question # 12

Commutator was invented by:

Question # 13

Michael Faraday and Joseph Henry belongs to

Question # 14

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

Question # 15

Which of the following converts electrical energy into mechanical energy.

Question # 16

The unit of induced emf is

Question # 17

Transformer is used to change

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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 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
2 The direction of induced current is always so as to oppose the change which causes the current is:
A. Faraday's law
B. Lenz's  law
C. Ohm's law
D. Kirchhoff's 1st rule
3 If D.C. input for step up transformer, the output is
A. Zero
B. High
C. Low
D. May be high or low
4 The jerks in D.C. motor are created by the use of.
A. Armature
B. Commutators
C. Split rings
D. Source of emf
5 B2/2p is the expression of.
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
6 The current induced can be increased by:
A. Using a stronger magnetic field
B. Moving the loop faster
C. Replacing the loop bay coi of many turns
D. All of above
7 A real transformer does not change.
A. Voltage level
B. Current level
C. Power level
D. Frequency
8 In D.C. generator, split rings act as.
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
9 Energy stored in inductor is.
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
10 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

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