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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
A simple device that prevents the direction of current from changing is called.
Question # 2
In A.C. inductor behaves as
Question # 3
When a conductor moves across a magnetic field an emf is set up this emf is called.
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
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 # 7
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?
Question # 8
Unit of self inductance is
Question # 9
Mutual induction has a practical role in the performance of the.
Question # 10
The induction can be increased by winding the wire around a core made of.
Question # 11
split rings are used in
Question # 12
The direction of induced current is always so as to oppose the change which causes the current is:
Question # 13
In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
Question # 14
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
Question # 15
When the back emf in a current is zero, it draws
Question # 16
Energy density in an inductor is.
Question # 17
The unit of induced emf is
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 | The Si unit of Mutual inductance is: |
A. VA-1S-1
B. VAS-1
C. VSA-1
D. ASV-1
|
| 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: |
A. 0.2 henry
B. 0.1 henry
C. 0.8 henry
D. 0.04 henry
|
| 3 | If a step up transformer were 100% efficient the primary and secondary winging's would have the same. |
A. Current
B. Power
C. Voltage
D. Direction of winding
|
| 4 | SI unit of hennery which is. |
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
|
| 5 | Transformer is used to change |
A. Electric power
B. Magnetic field
C. Alternating voltage
D. Phase of A.C.
|
| 6 | In A.C. inductor behaves as |
A. Capacitor
B. Resistor
C. Commutator
D. Transistor
|
| 7 | Electromagnetic induction obeys law of conservation |
A. Charge
B. Energy
C. Momentum
D. Mass
|
| 8 | When a conductor moves across a magnetic field an emf is set up this emf is called. |
A. Variable emf
B. Constant emf
C. Back emf
D. Induced emf
|
| 9 | The direction of induced current is always so as to oppose the change which causes the current, this is the statement of |
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. Coulomb's law
|
| 10 | 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
|
Test Questions
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sania saeed
16 Nov 2017ye log poore number nai dete jan bhooj kar
ayesha
11 May 20172 mcqs k ans ghalat hain irrespective k wo book ki statements hain