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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
The jerks in D.C. motor are created by the use of.
Question # 2
If the north pole of a magnet moves away from a metallic ring
Question # 3
When a motor is over loaded then the magnitude of back emf.
Question # 4
The only difference between the construction of D.C and A.C is.
Question # 5
Energy density in an inductor is.
Question # 6
EMF is induced due to change in
Question # 7
The negative sign with induced emf in Faraday's law is in accordance with
Question # 8
The magnitude of back emf:
Question # 9
When back emf in motor is zero, it draws.
Question # 10
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 11
The motional emf is give by
Question # 12
The induced emf in a coil is proportional to:
Question # 13
The illustration of the phenomenon of mutual induction is in the device of
Question # 14
Which of the following converts electrical energy into mechanical energy.
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
A simple device that prevents the direction of current from changing is called.
Question # 17
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:
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 | Mutual induction play role in. |
A. Generator
B. D.C. motor
C. Galvanometer
D. Transformer
|
| 2 | Efficiency of transformer does not affected by |
A. Input voltage
B. Core of transformer
C. Insulation between sheet
D. Resistance of coils
|
| 3 | The device in which induced emf is statically induced emf is: |
A. Transforms
B. AC generator
C. Alevator
D. Dynamo
|
| 4 | Electromagnetic induction obeys law of conservation |
A. Charge
B. Energy
C. Momentum
D. Mass
|
| 5 | Commutator was invented by: |
A. William bills
B. William Gates
C. William tells
D. William Sturgeon
|
| 6 | Mutual induction has a practical role in the performance of the. |
A. Radio choke
B. Transformers
C. A.C. Generator
D. D.C. Generator
|
| 7 | The direction of induced current is always so as to oppose the change which causes the current is: |
A. Faraday's law
B. Lenz's law
C. Ohm's law
D. Kirchhoff's 1st rule
|
| 8 | 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
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| 9 | For step down transformer |
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np
|
| 10 | The direction of induced current is always so as to oppose the change which causes the current, this is the statement of |
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. Coulomb's law
|
Test Questions
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