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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 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 # 2
The current induced can be increased by:
Question # 3
The direction of induced current is always so as to oppose the change which causes the current is:
Question # 4
A current generator device converts:
Question # 5
The unit of induced emf is
Question # 6
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 7
Eddy current is produced when:
Question # 8
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 # 9
If the north pole of a magnet moves away from a metallic ring
Question # 10
Energy stored in inductor is.
Question # 11
The Si unit of Mutual inductance is:
Question # 12
Which one is not present in A.C. generator.
Question # 13
By winding the coil around a less magnetic core, self induction.
Question # 14
The jerks in D.C. motor are created by the use of.
Question # 15
Electromagnetic induction obeys law of conservation
Question # 16
SI unit of hennery which is.
Question # 17
In A.C. inductor behaves as
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 | The illustration of the phenomenon of mutual induction is in the device of |
A. Transformer
B. Inductor
C. A.C. Generator
D. Ammeter
|
| 2 | The application of mutual induction is a. |
A. D.C. motor
B. Radio
C. Television
D. Transformer
|
| 3 | 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
|
| 4 | split rings are used in |
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
|
| 5 | Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V? |
A. 45 V
B. 15 V
C. 90 V
D. 300 V
|
| 6 | Energy stored in inductor is. |
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
|
| 7 |
|
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
|
| 8 | A simple device that prevents the direction of current from changing is called. |
A. Commutator
B. Rotor
C. Armature
D. Detector
|
| 9 | For step down transformer |
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np
|
| 10 | The induction can be increased by winding the wire around a core made of. |
A. Copper
B. Silicon
C. Iron
D. Aluminum
|
Test Questions
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