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FSC Part 2 Physics
Chapter 16 Test
Start Chapter 16 Test
FSC Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 16 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 16 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics FSC Part 2 Chapter 16 Online MCQ's Test
00:00
Question # 1
In A.C circuit through a capacitor which one is:
Question # 2
When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.
Question # 3
SI unit of reactance is.
Question # 4
The peak value of A.C source is 20 A, then its rms value will be.
Question # 5
The phase difference between the current and voltage at resonce is:
Question # 6
The electromagnetic spectrum contains
Question # 7
The sum of positive and negative peak value called.
Question # 8
Direct current can not flow through.
Question # 9
The velocity of an oscillating charge as it moves to and fro along a wire is.
Question # 10
The device which allows only the flow of D.C. is.
Question # 11
In Pakistan the frequency of A.C. supply is.
Question # 12
Average value of current and voltage over a complete cycle is.
Question # 13
In LR circiut which one of the following statements is correct?
Question # 14
The main use of A.C is
Question # 15
An electromagnetic wave goes from air to glass which of the following does not change?
Question # 16
The peak to peak value of alternating voltage is
Question # 17
Phase difference between V and I of an A.C through resistor is.
FSC Part 2 Physics Chapter 16 Online Test MCQ's
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FSc Part II Physics Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | In A.C circuit through a capacitor which one is: |
A. Current leads voltage by 90∘
B. Current lags behind voltage by 90∘
C. Both will be in phase
D. None of above
|
| 2 | In frequency modulation, the amplitude of carrier waves is |
A. Increases
B. Remains constant
C. Decreases
D. None of these
|
| 3 | The AC system is preferred to DC system because: |
A. AC voltage can be easily changed in magnitude
B. DC motor angular velocity is affected badly
C. High voltage AC transmission is less efficient
D. Domestic appliance require AC voltage for their operation
|
| 4 | In purely resistive A.C circuit, instantaneous value of voltage and current: |
A. Current lags behind voltage
B. Current leads voltage by π/2
C. Both are in Phase
D. Voltage leads current by Pase θ=π/2
|
| 5 | Direct current can not flow through. |
A. Inductor
B. Resistor
C. Transistor
D. Capacitor
|
| 6 | The most common source of an A.C. Voltage is. |
A. Motor
B. Cell
C. Generator
D. Thermo couple
|
| 7 | In three phase A.C. generator the phase difference between each pair of coil is. |
A. 45o
B. 90o
C. 120o
D. 60o
|
| 8 | The peak value of A.C source is 20 A, then its rms value will be. |
A. 14.1 A
B. 10 A
C. 20 A
D. 28.2 A
|
| 9 | The phase difference between current and voltage in an inductive circuit is. |
A. zero
B. 90 o
C. 180 o
D. 45o
|
| 10 | The main use of A.C is |
A. Minimum line losses
B. Long distance transmission
C. Stepping up to required voltage only
D. Steeping down to required voltage only
|
Test Questions