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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
For step down transformer
Question # 2
B2/2p is the expression of.
Question # 3
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
Question # 4
By winding the coil around a less magnetic core, self induction.
Question # 5
Commutator was invented by:
Question # 6
The negative sign with induced emf in Faraday's law is in accordance with
Question # 7
DC generator by william Sturgeon in:
Question # 8
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 # 9
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?
Question # 10
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 11
When a motor is over loaded then the magnitude of back emf.
Question # 12
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 # 13
In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
Question # 14
The mutual inductance between two coils depends upon their
Question # 15
Electric current produces magnetic field, was suggested by.
Question # 16
A.C. Generator based upon the
Question # 17
Self inductance of a long solenoid is given by
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 | 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
|
| 2 | The magnitude of back emf: |
A. Increases with sped of motor
B. Decreases with speed of motor
C. Remains same
D. None of above
|
| 3 | Electromagnetic induction is exactly according to law of: |
A. Momentum
B. Charge
C. Energy
D. Mass
|
| 4 | 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
|
| 5 | When the back emf in a current is zero, it draws |
A. Zero current
B. Maximum current
C. Minimum current
D. Steady average current
|
| 6 | The self induction emf is some times called. |
A. Motional emf
B. Constant emf
C. Back emf
D. Variable emf
|
| 7 | Self inductance of a long solenoid is given by |
D. None of the above
|
| 8 | Lenz's law was given by Heinrich lenz in: |
A. 1894
B. 1904
C. 1854
D. 1834
|
| 9 | 1 Henry = |
A. VSA-1
B. VS-1A-1
C. V-1SA
D. VSA-2
|
| 10 | A.C is converted into D.C by |
A. Dynamo
B. Rectifier
C. Motor
D. Transformer
|
Test Questions