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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 Si unit of Mutual inductance is:
Question # 2
Transformer is used to change
Question # 3
Commutator was invented in
Question # 4
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 # 5
The induced emf in a coil is proportional to:
Question # 6
If 10 A current passes through 100 mH inductor, then energy stored is.
Question # 7
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 8
If D.C. input for step up transformer, the output is
Question # 9
The emf induced by the motion of a conductor across a magnetic field is called:
Question # 10
Lenz's law deals with
Question # 11
In self induction A coil is connected in__________ with battery and a rheostat.
Question # 12
When motor is just started, back emf is almost.
Question # 13
A.C is converted into D.C by
Question # 14
If speed of rotation of a generator is doubled the output voltage will be.
Question # 15
The rod of unit length is moving at 30 o through a magnetic field of 1 T. If the velocity of rod is 1 m/s, then induced emf in the rod will be given by
Question # 16
For inducing emf in a coil the basic requirement is that:
Question # 17
The Lenz's law is also statement of:
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 | 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
|
| 2 | The mutual inductance between two coils depends upon their |
A. Size
B. Core material
C. Size, core material and separation
D. Separation
|
| 3 | Energy stored in inductor is. |
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
|
| 4 | Commutator was invented by: |
A. William bills
B. William Gates
C. William tells
D. William Sturgeon
|
| 5 | The only difference between the construction of D.C and A.C is. |
A. Carbon burshes
B. Coil
C. Commutator
D. Magnetic field
|
| 6 | Electromagnetic induction obeys law of conservation |
A. Charge
B. Energy
C. Momentum
D. Mass
|
| 7 | A simple device that prevents the direction of current from changing is called. |
A. Commutator
B. Rotor
C. Armature
D. Detector
|
| 8 | The rod of unit length is moving at 30 o through a magnetic field of 1 T. If the velocity of rod is 1 m/s, then induced emf in the rod will be given by |
A. I V
B. 0.25 V
C. 0.5 V
D. 0.6 V
|
| 9 | The winding of the electromagnet in motor are usually called. |
A. Magnetic coils
B. Field coils
C. Electric coils
D. electric o electric coils
|
| 10 | 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
|
Test Questions