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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
EMF is induced due to change in
Question # 2
The working principle of transformer is.
Question # 3
The unit of induced emf is
Question # 4
A simple device that prevents the direction of current from changing is called.
Question # 5
A.C. Generator based upon the
Question # 6
The direction of induced current is always so as to oppose the change which causes the current is:
Question # 7
Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
Question # 8
The current induced can be increased by:
Question # 9
Efficiency of transformer does not affected by
Question # 10
In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
Question # 11
Output of D.C. motor is
Question # 12
A real transformer does not change.
Question # 13
Step up transformer is used.
Question # 14
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 # 15
Self induction does not depend on
Question # 16
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.
Question # 17
With the speed of motor, magnitude of back emf
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 | Commentator was invented by |
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon
|
| 2 | EMF is induced due to change in |
A. Charge
B. Current
C. Magnetic flux
D. Electric field
|
| 3 | Mutual induction has a practical role in the performance of the. |
A. Radio choke
B. Transformers
C. A.C. Generator
D. D.C. Generator
|
| 4 | the core of transformer is laminated so reduce. |
A. Magnetic loss
B. Hysteresis loss
C. Eddy current loss
D. Electric loss
|
| 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 | The winding of the electromagnet in motor are usually called. |
A. Magnetic coils
B. Field coils
C. Electric coils
D. electric o electric coils
|
| 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 | 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
|
| 9 | The emf induced by the motion of a conductor across a magnetic field is called: |
A. Motional emf
B. Rotational emf
C. Induced emf
D. All of above
|
| 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