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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
The direction of induced current is always so as to oppose the change which causes the current, this is the statement of
Question # 2
In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
Question # 3
Energy stored in an inductor is:
Question # 4
Lenz's law is a consequence of the law of conservation of
Question # 5
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 6
With the speed of motor, magnitude of back emf
Question # 7
The unit of induced emf is
Question # 8
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 9
Electric current produces magnetic field, was suggested by.
Question # 10
Eddy current is produced when:
Question # 11
The application of mutual induction is a.
Question # 12
When the back emf in a current is zero, it draws
Question # 13
The motional emf developed in a conduction depends upon.
Question # 14
split rings are used in
Question # 15
The magnitude of motional emf is given by
Question # 16
When a motor is over loaded then the magnitude of back emf.
Question # 17
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:
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 motional emf is give by |
A. qvB
B. IBL
C. eBL
D. vBL
|
| 2 | A current generator device converts: |
A. Mechanical energy into chemical energy
B. Chemical energy into electrical energy
C. Mechanical energy into electrical energy
D. Both b and c
|
| 3 | Lenz's law presented in |
A. 1834
B. 1934
C. 1826
D. 1836
|
| 4 | The self induction emf is some times called. |
A. Motional emf
B. Constant emf
C. Back emf
D. Variable emf
|
| 5 | Eddy current is produced when: |
A. A metal is light in varying magnetic field
B. A metal is kept in steady magnetic field
C. A circular coil is placed in a steady magnetic field
D. A current is passed through a circualr coil
|
| 6 | In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is. |
A. NwAB
B. 2pi f
C. Maximum
D. Zero
|
| 7 | Which of the following quantities remain constant in step up transformer? |
A. Current
B. Voltage
C. Power
D. Heat
|
| 8 | The application of mutual induction is a. |
A. D.C. motor
B. Radio
C. Television
D. Transformer
|
| 9 | 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
|
| 10 | The illustration of the phenomenon of mutual induction is in the device of |
A. Transformer
B. Inductor
C. A.C. Generator
D. Ammeter
|
Test Questions
Share your comments & questions here
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