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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 Direction of induced current is always so as to oppose the change which causes the current, is:
Question # 2
In D.C. generator, split rings act as.
Question # 3
The device in which induced emf is statically induced emf is:
Question # 4
If speed of rotation of a generator is doubled the output voltage will be.
Question # 5
Lenz's law is a consequence of the law of conservation of
Question # 6
Energy density of an inductor is:
Question # 7
When the back emf is zero, its draws.
Question # 8
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 9
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 10
Which of the following converts electrical energy into mechanical energy.
Question # 11
Energy stored in inductor is.
Question # 12
In A.C. inductor behaves as
Question # 13
Energy density in an inductor is.
Question # 14
If magnetic field is doubled then magnetic energy density becomes.
Question # 15
Electromagnetic induction is exactly according to law of:
Question # 16
The magnitude of back emf:
Question # 17
The negative sign with induced emf in Faraday's law is in accordance with
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 | Lenz's law was given by Heinrich lenz in: |
A. 1894
B. 1904
C. 1854
D. 1834
|
| 2 | Commentator was invented by |
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon
|
| 3 | Electromagnetic induction is exactly according to law of: |
A. Momentum
B. Charge
C. Energy
D. Mass
|
| 4 | Commutator was invented in |
A. 1834
B. 1820
C. 1840
D. 1835
|
| 5 | If we make magnetic field stronger the value of induced current is. |
A. Decreased
B. Increased
C. Vanishes
D. Remain constant
|
| 6 | Eddy current is one cause energy loss in |
A. A.C. generator
B. Transformer
C. D.C. motor
D. D.C. generator
|
| 7 | If the north pole of a magnet moves away from a metallic ring |
A. Clockwise
B. Anticlockwise
C. First clockwise and then anticlockwise
D. None of above
|
| 8 | When a motor is over loaded then the magnitude of back emf. |
A. Increases
B. Decreases
C. Remain constant
D. Zero
|
| 9 | Electric current produces magnetic field, was suggested by. |
A. Faraday
B. Oersted
C. Henry
D. Lenz
|
| 10 | The working principle of transformer is. |
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
|
Test Questions
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