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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
The mutual inductance between two coils depends upon their
Question # 2
The emf induced by the motion of a conductor across a magnetic field is called:
Question # 3
When back emf in motor is zero, it draws.
Question # 4
The motional emf depends upon the
Question # 5
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 # 6
Commutator was invented by:
Question # 7
The motional emf is give by
Question # 8
In D.C. generator, split rings act as.
Question # 9
If D.C. input for step up transformer, the output is
Question # 10
Step up transformer is used.
Question # 11
In self induction A coil is connected in__________ with battery and a rheostat.
Question # 12
The negative sign with induced emf in Faraday's law is in accordance with
Question # 13
By winding the coil around a less magnetic core, self induction.
Question # 14
Commutator was invented in
Question # 15
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 # 16
In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
Question # 17
In A.C. inductor behaves as
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 motional emf is give by |
A. qvB
B. IBL
C. eBL
D. vBL
|
| 2 | Which of the following quantities remain constant in step up transformer? |
A. Current
B. Voltage
C. Power
D. Heat
|
| 3 | When the back emf is zero, its draws. |
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
|
| 4 | Induced emf in A.C. generator can be increased by |
A. Decreasing area of coil
B. Decreasing magnetic field
C. Increasing area of coil
D. Slowing down speed of coil
|
| 5 | When the back emf in a current is zero, it draws |
A. Zero current
B. Maximum current
C. Minimum current
D. Steady average current
|
| 6 | 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
|
| 7 | If a step up transformer were 100% efficient the primary and secondary winging's would have the same. |
A. Current
B. Power
C. Voltage
D. Direction of winding
|
| 8 | Self inductance of a long solenoid is given by |
D. None of the above
|
| 9 | 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
|
| 10 | A metal rod of 1 m is moving at a speed of 1 ms-1 in a direction making an angle 30 o with 0.5 T magnetic field . The emf produced is. |
A. 0.25 N
B. 2.5 N
C. 0.25 V
D. 2.5 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