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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 self induction emf is some times called.
Question # 2
The mutual inductance of the coils depends upon.
Question # 3
The direction of induced current is always so as to oppose the change which causes the current is:
Question # 4
Energy density of an inductor is:
Question # 5
Electromagnetic induction obeys law of conservation
Question # 6
Lenz's law was given by Heinrich lenz in:
Question # 7
The negative sign with induced emf in Faraday's law is in accordance with
Question # 8
Unit of self inductance is
Question # 9
The motional emf developed in a conduction depends upon.
Question # 10
If D.C. input for step up transformer, the output is
Question # 11
Which of the following quantities remain constant in step up transformer?
Question # 12
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?
Question # 13
The device in the circuit that consume electrical energy are known as.
Question # 14
In A.C. inductor behaves as
Question # 15
By winding the coil around a less magnetic core, self induction.
Question # 16
When a motor is over loaded then the magnitude of back emf.
Question # 17
When the back emf in a current is zero, it draws
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 | Transformer is used to change |
A. Electric power
B. Magnetic field
C. Alternating voltage
D. Phase of A.C.
|
| 2 | In self induction A coil is connected in__________ with battery and a rheostat. |
A. Parallel
B. Series
C. Both A and B
D. None of above
|
| 3 | The unit of induced emf is |
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
|
| 4 | If D.C. input for step up transformer, the output is |
A. Zero
B. High
C. Low
D. May be high or low
|
| 5 | Self induction does not depend on |
A. Number of turns of the coil
B. Area of cross section of the core
C. Nature of material of the core
D. Current through inductor
|
| 6 | 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: |
A. 0.2 henry
B. 0.1 henry
C. 0.8 henry
D. 0.04 henry
|
| 7 | split rings are used in |
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
|
| 8 |
|
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
|
| 9 | When motor is just started, back emf is almost. |
A. Maximum
B. Zero
C. Minimum
D. Infinite
|
| 10 | A real transformer does not change. |
A. Voltage level
B. Current level
C. Power level
D. Frequency
|
Test Questions