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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
Energy density of an inductor is:
Question # 2
The Lenz's law is also statement of:
Question # 3
Lenz's law deals with
Question # 4
In A.C. inductor behaves as
Question # 5
The negative sign with induced emf in Faraday's law is in accordance with
Question # 6
The Si unit of Mutual inductance is:
Question # 7
The Direction of induced current is always so as to oppose the change which causes the current, is:
Question # 8
The direction of induced current is always so as to oppose the change which causes the current is:
Question # 9
The winding of the electromagnet in motor are usually called.
Question # 10
Commutator was invented by:
Question # 11
Eddy current is one cause energy loss in
Question # 12
Eddy current is produced when:
Question # 13
For step down transformer
Question # 14
The illustration of the phenomenon of mutual induction is in the device of
Question # 15
The direction of induced current is always so as to oppose the change which causes the current, this is the statement of
Question # 16
Induced emf in A.C. generator can be increased by
Question # 17
If speed of rotation of a generator is doubled the output voltage will be.
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 motor is over loaded then the magnitude of back emf. |
A. Increases
B. Decreases
C. Remain constant
D. Zero
|
| 2 | Which one is not present in A.C. generator. |
A. Armature
B. Magnet
C. Slip rings
D. Commutator
|
| 3 | For inducing emf in a coil the basic requirement is that: |
A. Flux should link the coil
B. Change in flux should link the coil
C. Coil should form a closed loop
D. Both (b) and (c) are true
|
| 4 | What is the co-efficient of mutual inductance, when the magnetic flux changes by 2 x 10-2 Wb, and change in current is 0.01 A? |
A. 2 H
B. 3 H
C. 1/2 H
D. Zero
|
| 5 | 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
|
| 6 | 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
|
| 7 | If D.C. input for step up transformer, the output is |
A. Zero
B. High
C. Low
D. May be high or low
|
| 8 | Michael Faraday and Joseph Henry belongs to |
A. England and USA
B. France and USA
C. China and USA
D. None of these
|
| 9 | When back emf in motor is zero, it draws. |
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
|
| 10 | The application of mutual induction is a. |
A. D.C. motor
B. Radio
C. Television
D. Transformer
|
Test Questions