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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
If D.C. input for step up transformer, the output is
Question # 2
Transformer is used to change
Question # 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
Question # 4
Output of D.C. motor is
Question # 5
Energy stored in an inductor is:
Question # 6
The motional emf is give by
Question # 7
Efficiency of transformer does not affected by
Question # 8
The induced emf in a coil is proportional to:
Question # 9
When a motor is over loaded then the magnitude of back emf.
Question # 10
A current generator device converts:
Question # 11
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 12
The direction of induced current is always so as to oppose the change which causes the current, this is the statement of
Question # 13
The Lenz's law is also statement of:
Question # 14
Electromagnetic induction obeys law of conservation
Question # 15
The device in which induced emf is statically induced emf is:
Question # 16
The only difference between the construction of D.C and A.C is.
Question # 17
For inducing emf in a coil the basic requirement is that:
FSC Part 2 Physics Chapter 15 Online Test MCQ's
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H Humairatariq Humairatariq 20 - Jan - 2025 01 Min 13 Sec 16/17 -
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FSc Part II Physics Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Lenz's law deals with |
A. Magnitude of emf
B. Direction emf
C. Direction of induced current
D. Resistance
|
| 2 | If we make magnetic field stronger the value of induced current is. |
A. Decreased
B. Increased
C. Vanishes
D. Remain constant
|
| 3 | The induction can be increased by winding the wire around a core made of. |
A. Copper
B. Silicon
C. Iron
D. Aluminum
|
| 4 | 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
|
| 5 | Efficiency of transformer does not affected by |
A. Input voltage
B. Core of transformer
C. Insulation between sheet
D. Resistance of coils
|
| 6 | If the coil is wound on iron core, the flux through it. |
A. Decreases
B. Becomes zero
C. Increases
D. Remains constant
|
| 7 | B2/2p is the expression of. |
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
|
| 8 | 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
|
| 9 | 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
|
| 10 | When a motor is over loaded then the magnitude of back emf. |
A. Increases
B. Decreases
C. Remain constant
D. Zero
|
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