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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
Energy stored in an inductor is:
Question # 2
The induced emf in a coil is proportional to:
Question # 3
If we make magnetic field stronger the value of induced current is.
Question # 4
Induced emf in A.C. generator can be increased by
Question # 5
The induction can be increased by winding the wire around a core made of.
Question # 6
When the back emf in a current is zero, it draws
Question # 7
Efficiency of transformer does not affected by
Question # 8
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.
Question # 9
The rod of unit length is moving at 30 o through a magnetic field of 1 T. If the velocity of rod is 1 m/s, then induced emf in the rod will be given by
Question # 10
Unit of self inductance is
Question # 11
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 12
The direction of induced current is always so as to oppose the change which causes the current, this is the statement of
Question # 13
Commentator was invented by
Question # 14
When back emf in motor is zero, it draws.
Question # 15
Which one is not present in A.C. generator.
Question # 16
Eddy current is one cause energy loss in
Question # 17
split rings are used in
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 | The motional emf depends upon the |
A. Length of conductor
B. Speed of conductor
C. Strength of magnet
D. All of these
|
| 2 | A real transformer does not change. |
A. Voltage level
B. Current level
C. Power level
D. Frequency
|
| 3 | The motional emf is give by |
A. qvB
B. IBL
C. eBL
D. vBL
|
| 4 | Energy stored in inductor is. |
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
|
| 5 | If the north pole of a magnet moves away from a metallic ring |
A. Clockwise
B. Anticlockwise
C. First clockwise and then anticlockwise
D. None of above
|
| 6 | Energy stored in an inductor is: |
A. 1/2L2I
B. 1/2L2/I
C. 1/2LI2
D. 1/2LI
|
| 7 | Which of the following quantities remain constant in step up transformer? |
A. Current
B. Voltage
C. Power
D. Heat
|
| 8 | In D.C. generator, split rings act as. |
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
|
| 9 | the core of transformer is laminated so reduce. |
A. Magnetic loss
B. Hysteresis loss
C. Eddy current loss
D. Electric loss
|
| 10 | Step up transformer is used. |
A. Step up D.C. voltage
B. Step up A.C. voltage
C. Step up both A.C and D.C.
D. Step up A.C. current
|
Test Questions
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