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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
If D.C. input for step up transformer, the output is
Question # 2
In self induction A coil is connected in__________ with battery and a rheostat.
Question # 3
When the back emf is zero, its draws.
Question # 4
If 10 A current passes through 100 mH inductor, then energy stored is.
Question # 5
Energy density in an inductor is.
Question # 6
With the speed of motor, magnitude of back emf
Question # 7
The only difference between the construction of D.C and A.C is.
Question # 8
The motional emf depends upon the
Question # 9
The unit of induced emf is
Question # 10
By winding the coil around a less magnetic core, self induction.
Question # 11
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 # 12
If force in the direction of velocity of conductor, then induced current is directed,
Question # 13
In D.C. generator, split rings act as.
Question # 14
Transformer is used to change
Question # 15
The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
Question # 16
EMF is induced due to change in
Question # 17
A simple device that prevents the direction of current from changing is called.
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 | 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
|
| 2 | The magnitude of back emf: |
A. Increases with sped of motor
B. Decreases with speed of motor
C. Remains same
D. None of above
|
| 3 | When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in |
A. Flux density
B. Electric flux
C. Magnetic flux
D. Magnetic field strength
|
| 4 | The Lenz's law fulfils. |
A. Law of conservation of energy
B. Law of conservation of charge
C. Law of conservation of momentum
D. Kirchhoff's law
|
| 5 | Unit of self inductance is |
A. Weber
B. Tesla
C. Henry
D. Farad
|
| 6 | Lenz's law is a consequence of the law of conservation of |
A. Charge
B. Momentum
C. Energy
D. Angular momentum
|
| 7 | 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
|
| 8 | Output of D.C. motor is |
A. A.C. energy
B. Mechanical energy
C. Chemical energy
D. D.C. energy
|
| 9 | Energy stored in an inductor is: |
A. 1/2L2I
B. 1/2L2/I
C. 1/2LI2
D. 1/2LI
|
| 10 | 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 |
A. I V
B. 0.25 V
C. 0.5 V
D. 0.6 V
|
Test Questions
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