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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
Lenz's law is a consequence of the law of conservation of
Question # 2
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 # 3
The Si unit of Mutual inductance is:
Question # 4
The motional emf developed in a conduction depends upon.
Question # 5
The Direction of induced current is always so as to oppose the change which causes the current, is:
Question # 6
Step up transformer is used.
Question # 7
The magnitude of motional emf is given by
Question # 8
Electric current produces magnetic field, was suggested by.
Question # 9
A.C is converted into D.C by
Question # 10
The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
Question # 11
The movement of conductor in magnetic field produces electrical current was discovered in:
Question # 12
A step up transformer is used 120 V line to provide 240 V. If primary coil has 100 turns the number of turns is secondary is.
Question # 13
In case of inductor , energy is stored in the
Question # 14
When the back emf in a current is zero, it draws
Question # 15
If the north pole of a magnet moves away from a metallic ring
Question # 16
B2/2p is the expression of.
Question # 17
Which of the following quantities remain constant in step up transformer?
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 has a practical role in the performance of the. |
A. Radio choke
B. Transformers
C. A.C. Generator
D. D.C. Generator
|
| 2 | A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is. |
A. 0.1 J
B. 10 J
C. 100 J
D. 1000 J
|
| 3 | Energy density in an inductor is. |
A. Directly proportional to magnetic field
B. Directly proportional to square of magnetic field
C. Inversely proportional to magnetic field
D. Inversely proportional to square of magnetic field
|
| 4 | Electric current produces magnetic field, was suggested by. |
A. Faraday
B. Oersted
C. Henry
D. Lenz
|
| 5 | Commutator was invented in |
A. 1834
B. 1820
C. 1840
D. 1835
|
| 6 | Commutator was invented by: |
A. William bills
B. William Gates
C. William tells
D. William Sturgeon
|
| 7 | One henry is equal to |
A. 1 ohm x 1 sec
B. 1 ohm x 1 hertz
C. 1 ohm x 1 metre
D. All of above
|
| 8 | Eddy current is produced when: |
A. A metal is light in varying magnetic field
B. A metal is kept in steady magnetic field
C. A circular coil is placed in a steady magnetic field
D. A current is passed through a circualr coil
|
| 9 | 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
|
| 10 | Lenz's law deals with |
A. Magnitude of emf
B. Direction emf
C. Direction of induced current
D. Resistance
|
Test Questions