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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
By winding the coil around a less magnetic core, self induction.
Question # 2
When the back emf in a current is zero, it draws
Question # 3
The jerks in D.C. motor are created by the use of.
Question # 4
Eddy current is produced when:
Question # 5
Unit of self inductance is
Question # 6
Self induction does not depend on
Question # 7
Output of D.C. motor is
Question # 8
1 Henry =
Question # 9
SI unit of hennery which is.
Question # 10
Michael Faraday and Joseph Henry belongs to
Question # 11
Energy density of an inductor is:
Question # 12
Which of the following converts electrical energy into mechanical energy.
Question # 13
Mutual induction has a practical role in the performance of the.
Question # 14
When a conductor moves across a magnetic field an emf is set up this emf is called.
Question # 15
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 # 16
the core of transformer is laminated so reduce.
Question # 17
The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
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 | If 10 A current passes through 100 mH inductor, then energy stored is. |
A. 100 J
B. 5 J
C. 20 J
D. Zero
|
| 2 | Unit of self inductance is |
A. Weber
B. Tesla
C. Henry
D. Farad
|
| 3 | 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
|
| 4 | When a motor is over loaded then the magnitude of back emf. |
A. Increases
B. Decreases
C. Remain constant
D. Zero
|
| 5 | 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
|
| 6 | Commutator was invented in |
A. 1834
B. 1820
C. 1840
D. 1835
|
| 7 | The working principle of transformer is. |
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
|
| 8 | 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
|
| 9 | Mutual induction has a practical role in the performance of the. |
A. Radio choke
B. Transformers
C. A.C. Generator
D. D.C. Generator
|
| 10 | split rings are used in |
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
|
Test Questions