2nd Year Physics Chapter 15 Online MCQ Test for 12th Class Physics Chapter 15 (Electromagnetic Induction)

ICS Part 2 Physics
Chapter 15 Test

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Physics ICS Part 2 Chapter 15 Online MCQ's Test

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Question # 1

Efficiency of transformer does not affected by

Question # 2

Self induction does not depend on

Question # 3

A.C is converted into D.C by

Question # 4

Commutator was invented by:

Question # 5

B2/2p is the expression of.

Question # 6

Electromagnetic induction obeys law of conservation

Question # 7

Unit of self inductance is

Question # 8

A step up transformer is used 120 V line to provide 240 V. If primary coil has 100 turns the number of turns is secondary is.

Question # 9

When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in

Question # 10

A.C. Generator based upon the

Question # 11

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

Question # 12

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

Question # 13

Self inductance of a long solenoid is given by

Question # 14

For step down transformer

Question # 15

For inducing emf in a coil the basic requirement is that:

Question # 16

The motional emf depends upon the

Question # 17

One henry is equal to

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ICS 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 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
2 Commentator was invented by
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon
3 Lenz's law deals with
A. Magnitude of emf
B. Direction emf
C. Direction of induced current
D. Resistance
4 In D.C. generator, split rings act as.
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
5 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
6 Which of the following quantities remain constant in step up transformer?
A. Current
B. Voltage
C. Power
D. Heat
7 split rings are used in
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
8 Commutator was invented by:
A. William bills
B. William Gates
C. William tells
D. William Sturgeon
9 Michael Faraday and Joseph Henry belongs to
A. England and USA
B. France and USA
C. China and USA
D. None of these
10 If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
A. Current
B. Power
C. Voltage
D. Direction of winding

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