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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
An alternating quantity (voltage or current) is completely known if we know its:
Question # 2
An electromagnetic wave goes from air to glass which of the following does not change?
Question # 3
In AC system we generate sine wave form because:
Question # 4
The reactance of inductor depends upon
Question # 5
The phase difference between current and voltage in an inductive circuit is.
Question # 6
Choke consumes extremely small
Question # 7
SI unit of reactance is.
Question # 8
In an LRC circiut, the capacitance is made one-fourth, when an resonance . Then what should be change in inductance, so that the circuit remain in resonance?
Question # 9
X1is low for low frequency Fy but Xc is.
Question # 10
An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately
Question # 11
The device which allows only the continuous flow of AC through it is.
Question # 12
The resonance frequency is given by:
Question # 13
In pure capacitor A.C. circuit, the current I and charge q are.
Question # 14
The velocity of an oscillating charge as it moves to and fro along a wire is.
Question # 15
Vrms =
Question # 16
If Io is the peak value of current, then its root mean square value is given by
Question # 17
100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor 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 | The value of capacitive reactance is given by |
A. Xc = VI
B. xc= 1/wc or xc= wL
C. xc= 1*wc or xc=Lw
D. All of above
|
| 2 | High frequency radio wave is called as |
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
|
| 3 | In case of capacitor, the unit of reactance is |
A. Farad
B. Ohm
C. Newton
D. All of these
|
| 4 | In LR circiut which one of the following statements is correct? |
A. L and R opposes each other
B. R value increases with frequency
C. The inductive reactance increases with frequency
D. The inductive reactance decreases with frequency
|
| 5 | The device which allows only the continuous flow of AC through it is. |
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
|
| 6 | 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
|
| 7 | The circuit in which current and voltage are in phase, the power factor is: |
A. Zero
B. 1
C. -1
D. 2
|
| 8 | The resonance frequency is given by: |
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
|
| 9 | The combined effect of resistance and reactance is knows as. |
A. Inductance
B. Conductance
C. Resistance
D. Impedance
|
| 10 | In frequency modulation, the amplitude of carrier waves is |
A. Increases
B. Remains constant
C. Decreases
D. None of these
|
Test Questions