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FSC Part 2 Physics
Chapter 15 Test
Start Chapter 15 Test
FSC Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 15 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 15 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics FSC Part 2 Chapter 15 Online MCQ's Test
00:00
Question # 1
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 # 2
The magnitude of motional emf is given by
Question # 3
A.C. Generator based upon the
Question # 4
Commutator was invented by:
Question # 5
The negative sign with induced emf in Faraday's law is in accordance with
Question # 6
Mutual induction has a practical role in the performance of the.
Question # 7
A simple device that prevents the direction of current from changing is called.
Question # 8
split rings are used in
Question # 9
Lenz's law deals with
Question # 10
A current generator device converts:
Question # 11
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 12
B2/2p is the expression of.
Question # 13
When back emf in motor is zero, it draws.
Question # 14
If the coil is wound on iron core, the flux through it.
Question # 15
The self induction emf is some times called.
Question # 16
If the north pole of a magnet moves away from a metallic ring
Question # 17
A.C is converted into D.C by
FSC 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 | When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in |
A. Flux density
B. Electric flux
C. Magnetic flux
D. Magnetic field strength
|
| 2 | 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? |
A. 2 H
B. 3 H
C. 1/2 H
D. Zero
|
| 3 | The motional emf developed in a conduction depends upon. |
A. Length
B. Orientation
C. Magnetic field
D. All of the above
|
| 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. |
A. 50
B. 100
C. 150
D. 200
|
| 5 | Electromagnetic induction is exactly according to law of: |
A. Momentum
B. Charge
C. Energy
D. Mass
|
| 6 | The mutual inductance between two coils depends upon their |
A. Size
B. Core material
C. Size, core material and separation
D. Separation
|
| 7 | The jerks in D.C. motor are created by the use of. |
A. Armature
B. Commutators
C. Split rings
D. Source of emf
|
| 8 | Lenz's law presented in |
A. 1834
B. 1934
C. 1826
D. 1836
|
| 9 | The negative sign with induced emf in Faraday's law is in accordance with |
A. Lenz's law
B. Amperes law
C. Boyle's law
D. Gauss law
|
| 10 | The magnitude of motional emf is given by |
Test Questions