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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
Commutator was invented by:
Question # 2
Energy stored in inductor is.
Question # 3
If the coil is wound on iron core, the flux through it.
Question # 4
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 5
Self induction does not depend on
Question # 6
The motional emf developed in a conduction depends upon.
Question # 7
the core of transformer is laminated so reduce.
Question # 8
Transformer is used to change
Question # 9
The magnitude of motional emf is given by
Question # 10
If D.C. input for step up transformer, the output is
Question # 11
In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
Question # 12
The unit of induced emf is
Question # 13
Step up transformer is used.
Question # 14
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 15
The mutual inductance between two coils depends upon their
Question # 16
A simple device that prevents the direction of current from changing is called.
Question # 17
When a motor is over loaded then the magnitude of back emf.
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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H Huzaifarizwan Huzaifarizwan 01 - Nov - 2025 02 Min 56 Sec 13/17
FSc Part II Physics Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Transformer is used to change |
A. Electric power
B. Magnetic field
C. Alternating voltage
D. Phase of A.C.
|
| 2 | Eddy current is one cause energy loss in |
A. A.C. generator
B. Transformer
C. D.C. motor
D. D.C. generator
|
| 3 | The current induced can be increased by: |
A. Using a stronger magnetic field
B. Moving the loop faster
C. Replacing the loop bay coi of many turns
D. All of above
|
| 4 | Energy stored in an inductor is: |
A. 1/2L2I
B. 1/2L2/I
C. 1/2LI2
D. 1/2LI
|
| 5 | With the speed of motor, magnitude of back emf |
A. Remain same
B. Increase
C. Decrease
D. First increases then decreases
|
| 6 | When the back emf is zero, its draws. |
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
|
| 7 | When a conductor moves across a magnetic field an emf is set up this emf is called. |
A. Variable emf
B. Constant emf
C. Back emf
D. Induced emf
|
| 8 | The Lenz's law is also statement of: |
A. Law of conservation of mass
B. Law of conservation of charge
C. Law of conservation of energy
D. Law of conservation of momentum
|
| 9 | 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
|
| 10 | Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V? |
A. 45 V
B. 15 V
C. 90 V
D. 300 V
|
Test Questions
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sania saeed
16 Nov 2017ye log poore number nai dete jan bhooj kar
ayesha
11 May 20172 mcqs k ans ghalat hain irrespective k wo book ki statements hain