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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
Step up transformer is used.
Question # 2
When motor is just started, back emf is almost.
Question # 3
The jerks in D.C. motor are created by the use of.
Question # 4
One henry is equal to
Question # 5
Lenz's law was given by Heinrich lenz in:
Question # 6
Energy density of an inductor is:
Question # 7
The Direction of induced current is always so as to oppose the change which causes the current, is:
Question # 8
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 # 9
The magnitude of motional emf is given by
Question # 10
The movement of conductor in magnetic field produces electrical current was discovered in:
Question # 11
Lenz's law presented in
Question # 12
The illustration of the phenomenon of mutual induction is in the device of
Question # 13
Energy stored in inductor is.
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
When back emf in motor is zero, it draws.
Question # 16
Output of D.C. motor is
Question # 17
Electromagnetic induction obeys law of conservation
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 | For step down transformer |
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np
|
| 3 | The movement of conductor in magnetic field produces electrical current was discovered in: |
A. 1931
B. 1731
C. 1842
D. 1831
|
| 4 | In D.C. generator, split rings act as. |
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
|
| 5 | With the speed of motor, magnitude of back emf |
A. Remain same
B. Increase
C. Decrease
D. First increases then decreases
|
| 6 | By winding the coil around a less magnetic core, self induction. |
A. Will increase
B. Will decrease
C. Remain same
D. First increase then decrease
|
| 7 | If 10 A current passes through 100 mH inductor, then energy stored is. |
A. 100 J
B. 5 J
C. 20 J
D. Zero
|
| 8 | In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is. |
A. NwAB
B. 2pi f
C. Maximum
D. Zero
|
| 9 | Michael Faraday and Joseph Henry belongs to |
A. England and USA
B. France and USA
C. China and USA
D. None of these
|
| 10 | The current induced can be increased by: |
A. Using a stronger magnetic field
B. Moving the loop faster
C. Replacing the loop bay coi of many turns
D. All of above
|
Test Questions