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

00:00
Question # 1

A real transformer does not change.

Question # 2

A.C is converted into D.C by

Question # 3

When motor is just started, back emf is almost.

Question # 4

The current induced can be increased by:

Question # 5

DC generator by william Sturgeon in:

Question # 6

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 # 7

If the north pole of a magnet moves away from a metallic ring

Question # 8

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

Question # 9

A current generator device converts:

Question # 10

Electromagnetic induction obeys law of conservation

Question # 11

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 # 12

The motional emf is give by

Question # 13

If 10 A current passes through 100 mH inductor, then energy stored is.

Question # 14

The motional emf depends upon the

Question # 15

Which one is not present in A.C. generator.

Question # 16

The illustration of the phenomenon of mutual induction is in the device of

Question # 17

Unit of self inductance 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 Michael Faraday and Joseph Henry belongs to
A. England and USA
B. France and USA
C. China and USA
D. None of these
2 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
3 In D.C. generator, split rings act as.
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
4 Unit of self inductance is
A. Weber
B. Tesla
C. Henry
D. Farad
5 If speed of rotation of a generator is doubled the output voltage will be.
A. Remain same
B. Double
C. Four time
D. One half
6 Lenz's law presented in
A. 1834
B. 1934
C. 1826
D. 1836
7 The motional emf is give by
A. qvB
B. IBL
C. eBL
D. vBL
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.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
A. NwAB
B. 2pi f
C. Maximum
D. Zero
10 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

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