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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
In case of inductor , energy is stored in the
Question # 2
When a motor is over loaded then the magnitude of back emf.
Question # 3
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 # 4
DC generator by william Sturgeon in:
Question # 5
If force in the direction of velocity of conductor, then induced current is directed,
Question # 6
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 7
The magnitude of motional emf is given by
Question # 8
Which one is not present in A.C. generator.
Question # 9
Energy stored in an inductor is:
Question # 10
For step down transformer
Question # 11
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 12
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.
Question # 13
Commutator was invented in
Question # 14
The emf induced by the motion of a conductor across a magnetic field is called:
Question # 15
When motor is just started, back emf is almost.
Question # 16
When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in
Question # 17
A.C. Generator based upon the
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 | 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
|
| 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 | The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be: |
A. Antoclockwise
B. Clockwise
C. First Clockwise and then Antoclockwise
D. First anticlockwise and then Clockwise
|
| 4 | If speed of rotation of a generator is doubled the output voltage will be. |
A. Remain same
B. Double
C. Four time
D. One half
|
| 5 | When back emf in motor is zero, it draws. |
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
|
| 6 | If the coil is wound on iron core, the flux through it. |
A. Decreases
B. Becomes zero
C. Increases
D. Remains constant
|
| 7 | The winding of the electromagnet in motor are usually called. |
A. Magnetic coils
B. Field coils
C. Electric coils
D. electric o electric coils
|
| 8 | Electromagnetic induction obeys law of conservation |
A. Charge
B. Energy
C. Momentum
D. Mass
|
| 9 | A real transformer does not change. |
A. Voltage level
B. Current level
C. Power level
D. Frequency
|
| 10 |
|
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
|
Test Questions