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ICS Part 2 Physics
Chapter 16 Test
Start Chapter 16 Test
ICS Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 16 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 16 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics ICS Part 2 Chapter 16 Online MCQ's Test
00:00
Question # 1
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 # 2
In Pakistan the frequency of A.C. supply is.
Question # 3
The device which allows only the continuous flow of AC through it is.
Question # 4
A capacitor is perfectly insulator for:
Question # 5
Main reason for world wide use of A.C. is
Question # 6
Phase difference between V and I of an A.C through resistor is.
Question # 7
The inductive reactance of a coil is direction proportional to.
Question # 8
XL=
Question # 9
The circuit in which current and voltage are in phase, the power factor is:
Question # 10
In modulation, low frequency signal is known as
Question # 11
The resonance frequency is given by:
Question # 12
Power dissipation is a pure inductive or in a pure capacitance circuit is:
Question # 13
The Basic circuit element in a D.C. circuits which controls the current and voltage is
Question # 14
Radio frequency choke is
Question # 15
An A.C. voltmeter reads 220 V, its peak value will be
Question # 16
At high frequency the value of reactance of capacitor will be.
Question # 17
During each cycle A.C. voltage reaches a peak value.
ICS 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 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
|
| 2 | when an inductor comes close to a metallic object, its inductance is. |
A. Decreased
B. Increased
C. Becomes half
D. Becomes 4 times
|
| 3 | In a pure inductive A.C. circuit the current. |
A. Lags behind voltage by 90 o
B. Leads the voltage by 90 o
C. In phase with voltage
D. Leads the voltage by 270 o
|
| 4 | The condition of resonance is: |
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above
|
| 5 | An in cudutor may store energy in |
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
|
| 6 | The highest value reached by the voltage or current in one cycle is called. |
A. Peak ot peak value
B. Peak value
C. Instantaneous value
D. Root mean square value
|
| 7 | In AC system we generate sine wave form because: |
A. It san be easily draw
B. It produces least disturbance in electrical circuits
C. It is nature standard
D. Other waves cannot be produced easily
|
| 8 | The wave form of alternating voltage is a |
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve
|
| 9 | The effective value of any sinusoidal alternating current or voltage is |
D. None of the above
|
| 10 | An A.C. voltmeter reads 220 V, its peak value will be |
A. 225 V
B. 240 V
C. 311.12 V
D. 300 V
|
Test Questions