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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 purely resistive A.C circuit, instantaneous value of voltage and current:
Question # 2
The peak value of A.C source is 20 A, then its rms value will be.
Question # 3
The phase difference between current and voltage in an inductive circuit is.
Question # 4
The natural frequency of L.C circuit is equal to
Question # 5
At resonance, the behavior of R-L-C series circuit is.
Question # 6
During each cycle A.C. voltage reaches a peak value.
Question # 7
In a pure inductive A.C. circuit the current.
Question # 8
In metal detector, we use.
Question # 9
When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.
Question # 10
If Vrms be the root mean square value of emf then its peak to peak value is given by
Question # 11
XL=
Question # 12
In case of A.C. through resistor V and I are
Question # 13
If Io is the peak value of current, then its root mean square value is given by
Question # 14
In chopke coil the resistance XL an resistance R are:
Question # 15
In Pakistan the frequency of A.C. supply is.
Question # 16
An A.C. voltmeter reads 220 V, its peak value will be
Question # 17
In RLC series circuit at resonance the phase difference between capacitor and inductor reactance 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 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? |
A. 4 times
B. 1/4 times
C. 8 times
D. 2 times
|
| 2 | In case of capacitor, the unit of reactance is |
A. Farad
B. Ohm
C. Newton
D. All of these
|
| 3 | Power dissipation in A.C circuit is expressed as: |
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ
|
| 4 | 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
|
| 5 | 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
|
| 6 | At high frequency the value of reactance of capacitor will be. |
A. Small
B. Zero
C. Large
D. Infinite
|
| 7 | If the frequency of A.C. supplied is doubled then the capacitive reactance becomes. |
A. Half
B. Two
C. Four times
D. One fourth
|
| 8 | The circuit which compares the two voltages is. |
A. LDR
B. Sensor
C. Comparator
D. Logic gate
|
| 9 | The velocity of an oscillating charge as it moves to and fro along a wire is. |
A. Changing
B. Constant
C. Infinite
D. zero
|
| 10 | XL= |
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
|
Test Questions