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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
The unit of impedance is
Question # 2
Main reason for world wide use of A.C. is
Question # 3
Electron vibrating 94,000 times each second will produce radio waves of frequency.
Question # 4
In three phase A.C supply coils are inclined at an angle of.
Question # 5
Choke consumes extremely small
Question # 6
The reactance of inductor depends upon
Question # 7
An electromagnetic wave goes from air to glass which of the following does not change?
Question # 8
Power dissipated in a pure inductor is.
Question # 9
The AC system is preferred to DC system because:
Question # 10
Power dissipation in A.C circuit is expressed as:
Question # 11
The sum of positive and negative peak value called.
Question # 12
In purely resistive A.C circuit, instantaneous value of voltage and current:
Question # 13
The combined effect of resistance and reactance in circuit is called:
Question # 14
XL=
Question # 15
The reactance is the ratio of
Question # 16
At high frequency the value of reactance of capacitor will be.
Question # 17
Unit of impedance 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 | when an inductor comes close to a metallic object, its inductance is. |
A. Decreased
B. Increased
C. Becomes half
D. Becomes 4 times
|
| 2 | 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
|
| 3 | In RLC circuit the energy is dissipated in |
A. R only
B. R and L
C. R and C
D. L and C
|
| 4 | In frequency modulation which factor changed. |
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
|
| 5 | 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
|
| 6 | In pure capacitor A.C. circuit, the current I and charge q are. |
A. In phase
B. Out of phase
C. Parallel to each other
D. None of above
|
| 7 | Vrms = |
A. 0.7V∘
B.
0.07V∘
C. 0.007V∘
D. 0.75V∘
|
| 8 | If Io is the peak value of current, then its root mean square value is given by |
B. 2 Io
C. Io
D. 0.7 Io
|
| 9 | The slope of q-t curve at any instant of time gives. |
A. Voltage
B. Current
C. Charge
D. Botha a and b
|
| 10 | In modulation, low frequency signal is known as |
A. Carrier wave
B. fluctuated signal
C. Modulated carrier signal
D. Modulation signal
|
Test Questions