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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
For step down transformer
Question # 2
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 # 3
The motional emf developed in a conduction depends upon.
Question # 4
Self inductance of a long solenoid is given by
Question # 5
The emf induced by the motion of a conductor across a magnetic field is called:
Question # 6
The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
Question # 7
If 10 A current passes through 100 mH inductor, then energy stored is.
Question # 8
The negative sign with induced emf in Faraday's law is in accordance with
Question # 9
With the speed of motor, magnitude of back emf
Question # 10
Michael Faraday and Joseph Henry belongs to
Question # 11
Transformer is used to change
Question # 12
The mutual inductance of the coils depends upon.
Question # 13
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 14
Lenz's law is a consequence of the law of conservation of
Question # 15
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 # 16
Output of D.C. motor is
Question # 17
The winding of the electromagnet in motor are usually called.
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 | Commutator was invented by: |
A. William bills
B. William Gates
C. William tells
D. William Sturgeon
|
| 2 | If we make magnetic field stronger the value of induced current is. |
A. Decreased
B. Increased
C. Vanishes
D. Remain constant
|
| 3 | Electromagnetic induction obeys law of conservation |
A. Charge
B. Energy
C. Momentum
D. Mass
|
| 4 | Self inductance of a long solenoid is given by |
D. None of the above
|
| 5 | 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
|
| 6 | The Lenz's law is also statement of: |
A. Law of conservation of mass
B. Law of conservation of charge
C. Law of conservation of energy
D. Law of conservation of momentum
|
| 7 | Electromagnetic induction is exactly according to law of: |
A. Momentum
B. Charge
C. Energy
D. Mass
|
| 8 | If force in the direction of velocity of conductor, then induced current is directed, |
A. Anti clockwise
B. Clock wise
C. At equilibrium
D. None of above
|
| 9 | The jerks in D.C. motor are created by the use of. |
A. Armature
B. Commutators
C. Split rings
D. Source of emf
|
| 10 | Energy density of an inductor is: |
A. UM=1/2μ∘/B2
B. Um = 2μ∘/B
C. UM = 1/2B2/μ∘
D. Um = 2B2/μ∘
|
Test Questions
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