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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. inductor behaves as
Question # 2
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 3
Which of the following converts electrical energy into mechanical energy.
Question # 4
Commentator was invented by
Question # 5
split rings are used in
Question # 6
The current induced can be increased by:
Question # 7
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
Question # 8
When motor is just started, back emf is almost.
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
A real transformer does not change.
Question # 11
SI unit of hennery which is.
Question # 12
the core of transformer is laminated so reduce.
Question # 13
With the speed of motor, magnitude of back emf
Question # 14
If D.C. input for step up transformer, the output is
Question # 15
In self induction A coil is connected in__________ with battery and a rheostat.
Question # 16
The only difference between the construction of D.C and A.C is.
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 | Which of the following converts electrical energy into mechanical energy. |
A. Transformer
B. A.C. generator
C. D.C. generator
D. D.C. motor
|
| 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 motional emf depends upon the |
A. Length of conductor
B. Speed of conductor
C. Strength of magnet
D. All of these
|
| 4 | Energy stored in an inductor is: |
A. 1/2L2I
B. 1/2L2/I
C. 1/2LI2
D. 1/2LI
|
| 5 | The movement of conductor in magnetic field produces electrical current was discovered in: |
A. 1931
B. 1731
C. 1842
D. 1831
|
| 6 | In D.C. generator, split rings act as. |
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
|
| 7 | The self induction emf is some times called. |
A. Motional emf
B. Constant emf
C. Back emf
D. Variable emf
|
| 8 | split rings are used in |
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
|
| 9 | Which of the following quantities remain constant in step up transformer? |
A. Current
B. Voltage
C. Power
D. Heat
|
| 10 | SI unit of hennery which is. |
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
|
Test Questions