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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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 15 Online MCQ's Test"

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Physics ICS Part 2 Chapter 15 Online MCQ's Test

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Question # 1

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

Question # 2

Eddy current is produced when:

Question # 3

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

Question # 4

Energy density of an inductor is:

Question # 5

DC generator by william Sturgeon in:

Question # 6

The winding of the electromagnet in motor are usually called.

Question # 7

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 # 8

Which of the following converts electrical energy into mechanical energy.

Question # 9

A metal rod of 1 m is moving at a speed of 1 ms-1 in a direction making an angle 30 o with 0.5 T magnetic field . The emf produced is.

Question # 10

The emf induced by the motion of a conductor across a magnetic field is called:

Question # 11

EMF is induced due to change in

Question # 12

Transformer is used to change

Question # 13

Output of D.C. motor is

Question # 14

A current generator device converts:

Question # 15

Michael Faraday and Joseph Henry belongs to

Question # 16

The mutual inductance of the coils depends upon.

Question # 17

If D.C. input for step up transformer, the output is

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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 Electromagnetic induction is exactly according to law of:
A. Momentum
B. Charge
C. Energy
D. Mass
2 One henry is equal to
A. 1 ohm x 1 sec
B. 1 ohm x 1 hertz
C. 1 ohm x 1 metre
D. All of above
3 Michael Faraday and Joseph Henry belongs to
A. England and USA
B. France and USA
C. China and USA
D. None of these
4 If D.C. input for step up transformer, the output is
A. Zero
B. High
C. Low
D. May be high or low
5 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' s1ast rule
6 Eddy current is produced when:
A. A metal is light in varying magnetic field
B. A metal is kept in steady magnetic field
C. A circular coil is placed in a steady magnetic field
D. A current is passed through a circualr coil
7 A.C is converted into D.C by
A. Dynamo
B. Rectifier
C. Motor
D. Transformer
8 With the speed of motor, magnitude of back emf
A. Remain same
B. Increase
C. Decrease
D. First increases then decreases
9 The negative sign with induced emf in Faraday's law is in accordance with
A. Lenz's law
B. Amperes law
C. Boyle's law
D. Gauss law
10 Which one is not present in A.C. generator.
A. Armature
B. Magnet
C. Slip rings
D. Commutator

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