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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
When a motor is over loaded then the magnitude of back emf.
Question # 2
For inducing emf in a coil the basic requirement is that:
Question # 3
Which of the following converts electrical energy into mechanical energy.
Question # 4
Eddy current is one cause energy loss in
Question # 5
Commentator was invented by
Question # 6
When motor is just started, back emf is almost.
Question # 7
Energy density of an inductor is:
Question # 8
In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
Question # 9
The magnitude of motional emf is given by
Question # 10
DC generator by william Sturgeon in:
Question # 11
The application of mutual induction is a.
Question # 12
Induced emf in A.C. generator can be increased by
Question # 13
The only difference between the construction of D.C and A.C is.
Question # 14
Which one is not present in A.C. generator.
Question # 15
With the speed of motor, magnitude of back emf
Question # 16
The emf induced by the motion of a conductor across a magnetic field is called:
Question # 17
Lenz's law was given by Heinrich lenz in:
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 | the core of transformer is laminated so reduce. |
A. Magnetic loss
B. Hysteresis loss
C. Eddy current loss
D. Electric loss
|
| 2 | Energy stored in inductor is. |
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
|
| 3 | Lenz's law is a consequence of the law of conservation of |
A. Charge
B. Momentum
C. Energy
D. Angular momentum
|
| 4 | A.C. Generator based upon the |
A. Lenz's law
B. Maxwell's relation
C. Faradays law of electromagnet induction
D. Mutual induction
|
| 5 | The magnitude of back emf: |
A. Increases with sped of motor
B. Decreases with speed of motor
C. Remains same
D. None of above
|
| 6 | Output of D.C. motor is |
A. A.C. energy
B. Mechanical energy
C. Chemical energy
D. D.C. energy
|
| 7 | The Direction of induced current is always so as to oppose the change which causes the current, is: |
A. Faraday's law
B. Lenz's law
C. Ohm's law
D. Kirchhoff' s1ast rule
|
| 8 | Commutator was invented by: |
A. William bills
B. William Gates
C. William tells
D. William Sturgeon
|
| 9 | The mutual inductance between two coils depends upon their |
A. Size
B. Core material
C. Size, core material and separation
D. Separation
|
| 10 | Self induction does not depend on |
A. Number of turns of the coil
B. Area of cross section of the core
C. Nature of material of the core
D. Current through inductor
|
Test Questions