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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
In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
Question # 2
Electromagnetic induction is exactly according to law of:
Question # 3
The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
Question # 4
The Lenz's law fulfils.
Question # 5
If D.C. input for step up transformer, the output is
Question # 6
The device in which induced emf is statically induced emf is:
Question # 7
Commentator was invented by
Question # 8
The illustration of the phenomenon of mutual induction is in the device of
Question # 9
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 # 10
Eddy current is produced when:
Question # 11
If 10 A current passes through 100 mH inductor, then energy stored is.
Question # 12
Step up transformer is used.
Question # 13
The current induced can be increased by:
Question # 14
In case of inductor , energy is stored in the
Question # 15
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 16
When back emf in motor is zero, it draws.
Question # 17
Lenz's law is a consequence of the law of conservation of
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 | When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in |
A. Flux density
B. Electric flux
C. Magnetic flux
D. Magnetic field strength
|
| 2 | Commutator was invented in |
A. 1834
B. 1820
C. 1840
D. 1835
|
| 3 | The unit of induced emf is |
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
|
| 4 | 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
|
| 5 | If the coil is wound on iron core, the flux through it. |
A. Decreases
B. Becomes zero
C. Increases
D. Remains constant
|
| 6 | 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
|
| 7 | The working principle of transformer is. |
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
|
| 8 | The only difference between the construction of D.C and A.C is. |
A. Carbon burshes
B. Coil
C. Commutator
D. Magnetic field
|
| 9 | If a step up transformer were 100% efficient the primary and secondary winging's would have the same. |
A. Current
B. Power
C. Voltage
D. Direction of winding
|
| 10 | Electromagnetic induction obeys law of conservation |
A. Charge
B. Energy
C. Momentum
D. Mass
|
Test Questions