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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
Electromagnetic induction is exactly according to law of:
Question # 2
Efficiency of transformer does not affected by
Question # 3
The direction of induced current is always so as to oppose the change which causes the current, this is the statement of
Question # 4
When the back emf in a current is zero, it draws
Question # 5
The induction can be increased by winding the wire around a core made of.
Question # 6
Lenz's law deals with
Question # 7
The negative sign with induced emf in Faraday's law is in accordance with
Question # 8
The device in the circuit that consume electrical energy are known as.
Question # 9
Eddy current is one cause energy loss in
Question # 10
Mutual induction play role in.
Question # 11
In case of inductor , energy is stored in the
Question # 12
Mutual induction has a practical role in the performance of the.
Question # 13
Which of the following converts electrical energy into mechanical energy.
Question # 14
Which one is not present in A.C. generator.
Question # 15
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
Question # 16
If speed of rotation of a generator is doubled the output voltage will be.
Question # 17
Self induction does not depend on
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 | B2/2p is the expression of. |
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
|
| 2 | If D.C. input for step up transformer, the output is |
A. Zero
B. High
C. Low
D. May be high or low
|
| 3 | The application of mutual induction is a. |
A. D.C. motor
B. Radio
C. Television
D. Transformer
|
| 4 | Energy density in an inductor is. |
A. Directly proportional to magnetic field
B. Directly proportional to square of magnetic field
C. Inversely proportional to magnetic field
D. Inversely proportional to square of magnetic field
|
| 5 | The magnitude of motional emf is given by | |
| 6 | A step up transformer is used 120 V line to provide 240 V. If primary coil has 100 turns the number of turns is secondary is. |
A. 50
B. 100
C. 150
D. 200
|
| 7 | Mutual induction play role in. |
A. Generator
B. D.C. motor
C. Galvanometer
D. Transformer
|
| 8 | Mutual induction has a practical role in the performance of the. |
A. Radio choke
B. Transformers
C. A.C. Generator
D. D.C. Generator
|
| 9 | For step down transformer |
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np
|
| 10 | If the coil is wound on iron core, the flux through it. |
A. Decreases
B. Becomes zero
C. Increases
D. Remains constant
|
Test Questions