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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
Which of the following quantities remain constant in step up transformer?
Question # 2
When the back emf is zero, its draws.
Question # 3
If the north pole of a magnet moves away from a metallic ring
Question # 4
The motional emf is give by
Question # 5
The application of mutual induction is a.
Question # 6
The direction of induced current is always so as to oppose the change which causes the current is:
Question # 7
The only difference between the construction of D.C and A.C is.
Question # 8
split rings are used in
Question # 9
With the speed of motor, magnitude of back emf
Question # 10
The Lenz's law fulfils.
Question # 11
Commutator was invented by:
Question # 12
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 # 13
If we make magnetic field stronger the value of induced current is.
Question # 14
By winding the coil around a less magnetic core, self induction.
Question # 15
If force in the direction of velocity of conductor, then induced current is directed,
Question # 16
The mutual inductance of the coils depends upon.
Question # 17
The current induced can be increased by:
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 |
|
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
|
| 2 | Eddy current is produced when: |
A. A metal is light in varying magnetic field
B. A metal is kept in steady magnetic field
C. A circular coil is placed in a steady magnetic field
D. A current is passed through a circualr coil
|
| 3 | When the back emf is zero, its draws. |
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
|
| 4 | The magnitude of back emf: |
A. Increases with sped of motor
B. Decreases with speed of motor
C. Remains same
D. None of above
|
| 5 | For step down transformer |
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np
|
| 6 | Transformer is used to change |
A. Electric power
B. Magnetic field
C. Alternating voltage
D. Phase of A.C.
|
| 7 | A.C is converted into D.C by |
A. Dynamo
B. Rectifier
C. Motor
D. Transformer
|
| 8 | Energy stored in inductor is. |
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
|
| 9 | If magnetic field is doubled then magnetic energy density becomes. |
A. Four times
B. Two times
C. Three times
D. Six times
|
| 10 | The unit of induced emf is |
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
|
Test Questions
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