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ICS Part 2 Physics
Chapter 15 Test
Start Chapter 15 Test
ICS Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 15 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 15 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics ICS Part 2 Chapter 15 Online MCQ's Test
00:00
Question # 1
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 # 2
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 3
Lenz's law is a consequence of the law of conservation of
Question # 4
When the back emf is zero, its draws.
Question # 5
A.C is converted into D.C by
Question # 6
The device in which induced emf is statically induced emf is:
Question # 7
Unit of self inductance is
Question # 8
In D.C. generator, split rings act as.
Question # 9
When a motor is over loaded then the magnitude of back emf.
Question # 10
Commentator was invented by
Question # 11
Step up transformer is used.
Question # 12
The magnitude of back emf:
Question # 13
The emf induced by the motion of a conductor across a magnetic field is called:
Question # 14
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 # 15
If the coil is wound on iron core, the flux through it.
Question # 16
In self induction A coil is connected in__________ with battery and a rheostat.
Question # 17
Output of D.C. motor is
ICS 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 | 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
|
| 2 | A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is. |
A. 0.1 J
B. 10 J
C. 100 J
D. 1000 J
|
| 3 | Electromagnetic induction is exactly according to law of: |
A. Momentum
B. Charge
C. Energy
D. Mass
|
| 4 | The jerks in D.C. motor are created by the use of. |
A. Armature
B. Commutators
C. Split rings
D. Source of emf
|
| 5 | Self inductance of a long solenoid is given by |
D. None of the above
|
| 6 | In A.C. inductor behaves as |
A. Capacitor
B. Resistor
C. Commutator
D. Transistor
|
| 7 | The magnitude of motional emf is given by | |
| 8 | A real transformer does not change. |
A. Voltage level
B. Current level
C. Power level
D. Frequency
|
| 9 | Energy stored in inductor is. |
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
|
| 10 | the core of transformer is laminated so reduce. |
A. Magnetic loss
B. Hysteresis loss
C. Eddy current loss
D. Electric loss
|
Test Questions