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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
The negative sign with induced emf in Faraday's law is in accordance with
Question # 2
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 3
Electric current produces magnetic field, was suggested by.
Question # 4
Mutual induction has a practical role in the performance of the.
Question # 5
Mutual induction play role in.
Question # 6
When back emf in motor is zero, it draws.
Question # 7
The magnitude of back emf:
Question # 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
Question # 9
Energy stored in inductor is.
Question # 10
Which one is not present in A.C. generator.
Question # 11
When the back emf is zero, its draws.
Question # 12
Self inductance of a long solenoid is given by
Question # 13
If the north pole of a magnet moves away from a metallic ring
Question # 14
Lenz's law is a consequence of the law of conservation of
Question # 15
The direction of induced current is always so as to oppose the change which causes the current is:
Question # 16
Step up transformer is used.
Question # 17
A simple device that prevents the direction of current from changing is called.
FSC Part 2 Physics Chapter 15 Online Test MCQ's
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H Humairatariq Humairatariq 20 - Jan - 2025 01 Min 13 Sec 16/17 -
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FSc Part II Physics Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The illustration of the phenomenon of mutual induction is in the device of |
A. Transformer
B. Inductor
C. A.C. Generator
D. Ammeter
|
| 2 | 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: |
A. 0.2 henry
B. 0.1 henry
C. 0.8 henry
D. 0.04 henry
|
| 3 | 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
|
| 4 | Which one is not present in A.C. generator. |
A. Armature
B. Magnet
C. Slip rings
D. Commutator
|
| 5 | When the back emf is zero, its draws. |
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
|
| 6 | For step down transformer |
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np
|
| 7 | 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
|
| 8 | In case of inductor , energy is stored in the |
A. Electric field
B. Magnetic field
C. Potential field
D. Gravitational field
|
| 9 | When back emf in motor is zero, it draws. |
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
|
| 10 | A.C is converted into D.C by |
A. Dynamo
B. Rectifier
C. Motor
D. Transformer
|
Test Questions