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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
One henry is equal to
Question # 2
A real transformer does not change.
Question # 3
Transformer is used to change
Question # 4
Efficiency of transformer does not affected by
Question # 5
Output of D.C. motor is
Question # 6
Energy stored in inductor is.
Question # 7
When back emf in motor is zero, it draws.
Question # 8
Which of the following quantities remain constant in step up transformer?
Question # 9
Electromagnetic induction is exactly according to law of:
Question # 10
The movement of conductor in magnetic field produces electrical current was discovered in:
Question # 11
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 12
If magnetic field is doubled then magnetic energy density becomes.
Question # 13
A.C. Generator based upon the
Question # 14
split rings are used in
Question # 15
The direction of induced current is always so as to oppose the change which causes the current is:
Question # 16
When the back emf in a current is zero, it draws
Question # 17
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
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 only difference between the construction of D.C and A.C is. |
A. Carbon burshes
B. Coil
C. Commutator
D. Magnetic field
|
| 2 | A real transformer does not change. |
A. Voltage level
B. Current level
C. Power level
D. Frequency
|
| 3 | A simple device that prevents the direction of current from changing is called. |
A. Commutator
B. Rotor
C. Armature
D. Detector
|
| 4 | If speed of rotation of a generator is doubled the output voltage will be. |
A. Remain same
B. Double
C. Four time
D. One half
|
| 5 | Energy density in an inductor is. |
A. Directly proportional to magnetic field
B. Directly proportional to square of magnetic field
C. Inversely proportional to magnetic field
D. Inversely proportional to square of magnetic field
|
| 6 | The mutual inductance of the coils depends upon. |
A. Stiffness of the coils
B. Density of coils
C. Material of coils
D. Geometry of the coils
|
| 7 | The motional emf is give by |
A. qvB
B. IBL
C. eBL
D. vBL
|
| 8 | The jerks in D.C. motor are created by the use of. |
A. Armature
B. Commutators
C. Split rings
D. Source of emf
|
| 9 | The mutual inductance between two coils depends upon their |
A. Size
B. Core material
C. Size, core material and separation
D. Separation
|
| 10 | The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be: |
A. Antoclockwise
B. Clockwise
C. First Clockwise and then Antoclockwise
D. First anticlockwise and then Clockwise
|
Test Questions