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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
Michael Faraday and Joseph Henry belongs to
Question # 2
With the speed of motor, magnitude of back emf
Question # 3
The direction of induced current is always so as to oppose the change which causes the current is:
Question # 4
Lenz's law is a consequence of the law of conservation of
Question # 5
For step down transformer
Question # 6
A.C is converted into D.C by
Question # 7
Step up transformer is used.
Question # 8
Energy stored in an inductor is:
Question # 9
The induced emf in a coil is proportional to:
Question # 10
The negative sign with induced emf in Faraday's law is in accordance with
Question # 11
SI unit of hennery which is.
Question # 12
Self inductance of a long solenoid is given by
Question # 13
Electric current produces magnetic field, was suggested by.
Question # 14
Lenz's law presented in
Question # 15
Energy stored in inductor is.
Question # 16
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 # 17
Which of the following converts electrical energy into mechanical energy.
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 | B2/2p is the expression of. |
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
|
| 2 | If the north pole of a magnet moves away from a metallic ring |
A. Clockwise
B. Anticlockwise
C. First clockwise and then anticlockwise
D. None of above
|
| 3 | A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is. |
A. 0.1 J
B. 10 J
C. 100 J
D. 1000 J
|
| 4 | 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
|
| 5 | Lenz's law presented in |
A. 1834
B. 1934
C. 1826
D. 1836
|
| 6 | split rings are used in |
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
|
| 7 | Step up transformer is used. |
A. Step up D.C. voltage
B. Step up A.C. voltage
C. Step up both A.C and D.C.
D. Step up A.C. current
|
| 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 | Induced emf in A.C. generator can be increased by |
A. Decreasing area of coil
B. Decreasing magnetic field
C. Increasing area of coil
D. Slowing down speed of coil
|
| 10 | The movement of conductor in magnetic field produces electrical current was discovered in: |
A. 1931
B. 1731
C. 1842
D. 1831
|
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