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FSC Part 2 Physics
Chapter 15 Test
Start Chapter 15 Test
FSC Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 15 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 15 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics FSC Part 2 Chapter 15 Online MCQ's Test
00:00
Question # 1
Which of the following quantities remain constant in step up transformer?
Question # 2
The motional emf depends upon the
Question # 3
The Si unit of Mutual inductance is:
Question # 4
In self induction A coil is connected in__________ with battery and a rheostat.
Question # 5
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 # 6
Electromagnetic induction obeys law of conservation
Question # 7
Unit of self inductance is
Question # 8
The emf induced by the motion of a conductor across a magnetic field is called:
Question # 9
The Lenz's law fulfils.
Question # 10
When a motor is over loaded then the magnitude of back emf.
Question # 11
By winding the coil around a less magnetic core, self induction.
Question # 12
Eddy current is produced when:
Question # 13
When back emf in motor is zero, it draws.
Question # 14
Self induction does not depend on
Question # 15
Energy stored in an inductor is:
Question # 16
Commutator was invented by:
Question # 17
With the speed of motor, magnitude of back emf
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 | split rings are used in |
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
|
| 2 | 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
|
| 3 | When the back emf is zero, its draws. |
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
|
| 4 | The motional emf is give by |
A. qvB
B. IBL
C. eBL
D. vBL
|
| 5 | The Lenz's law fulfils. |
A. Law of conservation of energy
B. Law of conservation of charge
C. Law of conservation of momentum
D. Kirchhoff's law
|
| 6 | Induced emf in A.C. generator can be increased by |
A. Decreasing area of coil
B. Decreasing magnetic field
C. Increasing area of coil
D. Slowing down speed of coil
|
| 7 | The self induction emf is some times called. |
A. Motional emf
B. Constant emf
C. Back emf
D. Variable emf
|
| 8 | The rod of unit length is moving at 30 o through a magnetic field of 1 T. If the velocity of rod is 1 m/s, then induced emf in the rod will be given by |
A. I V
B. 0.25 V
C. 0.5 V
D. 0.6 V
|
| 9 |
|
|
| 10 | Electromagnetic induction is exactly according to law of: |
A. Momentum
B. Charge
C. Energy
D. Mass
|
Test Questions