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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
Commentator was invented by
Question # 2
Which of the following converts electrical energy into mechanical energy.
Question # 3
The induced emf in a coil is proportional to:
Question # 4
If we make magnetic field stronger the value of induced current is.
Question # 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:
Question # 6
The direction of induced current is always so as to oppose the change which causes the current, this is the statement of
Question # 7
The motional emf developed in a conduction depends upon.
Question # 8
Michael Faraday and Joseph Henry belongs to
Question # 9
When motor is just started, back emf is almost.
Question # 10
Lenz's law presented in
Question # 11
If force in the direction of velocity of conductor, then induced current is directed,
Question # 12
The magnitude of motional emf is given by
Question # 13
In case of inductor , energy is stored in the
Question # 14
Eddy current is produced when:
Question # 15
Energy density of an inductor is:
Question # 16
The device in the circuit that consume electrical energy are known as.
Question # 17
Induced emf in A.C. generator can be increased 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 | For step down transformer |
A. Ns>Np
B. Np > Ns
C. Ns = Np
D. Ns > > > Np
|
| 2 | Commentator was invented by |
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon
|
| 3 | The winding of the electromagnet in motor are usually called. |
A. Magnetic coils
B. Field coils
C. Electric coils
D. electric o electric coils
|
| 4 | the core of transformer is laminated so reduce. |
A. Magnetic loss
B. Hysteresis loss
C. Eddy current loss
D. Electric loss
|
| 5 | Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V? |
A. 45 V
B. 15 V
C. 90 V
D. 300 V
|
| 6 | B2/2p is the expression of. |
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
|
| 7 | The motional emf is give by |
A. qvB
B. IBL
C. eBL
D. vBL
|
| 8 | When a motor is over loaded then the magnitude of back emf. |
A. Increases
B. Decreases
C. Remain constant
D. Zero
|
| 9 | Eddy current is one cause energy loss in |
A. A.C. generator
B. Transformer
C. D.C. motor
D. D.C. generator
|
| 10 | When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in |
A. Flux density
B. Electric flux
C. Magnetic flux
D. Magnetic field strength
|
Test Questions