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

Mutual induction play role in.

Question # 2

Energy stored in inductor is.

Question # 3

The direction of induced current is always so as to oppose the change which causes the current, this is the statement of

Question # 4

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 # 5

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

Question # 6

Transformer is used to change

Question # 7

Eddy current is one cause energy loss in

Question # 8

The self induction emf is some times called.

Question # 9

The Si unit of Mutual inductance is:

Question # 10

The mutual inductance of the coils depends upon.

Question # 11

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

Question # 12

One henry is equal to

Question # 13

Electromagnetic induction is exactly according to law of:

Question # 14

Self inductance of a long solenoid is given by

Question # 15

Output of D.C. motor is

Question # 16

Step up transformer is used.

Question # 17

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

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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 A.C. Generator based upon the
A. Lenz's law
B. Maxwell's relation
C. Faradays law of electromagnet induction
D. Mutual induction
2 With the speed of motor, magnitude of back emf
A. Remain same
B. Increase
C. Decrease
D. First increases then decreases
3 The mutual inductance between two coils depends upon their
A. Size
B. Core material
C. Size, core material and separation
D. Separation
4
Question Image
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
5 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
6 When a motor is over loaded then the magnitude of back emf.
A. Increases
B. Decreases
C. Remain constant
D. Zero
7 When the back emf is zero, its draws.
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
8 DC generator by william Sturgeon in:
A. 1894
B. 1961
C. 1834
D. 1961
9 Efficiency of transformer does not affected by
A. Input voltage
B. Core of transformer
C. Insulation between sheet
D. Resistance of coils
10 Commutator was invented by:
A. William bills
B. William Gates
C. William tells
D. William Sturgeon

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