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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 three phase A.C. generator the phase difference between each pair of coil is.
Question # 2
The reactance of inductor depends upon
Question # 3
XL=
Question # 4
The reactance is the ratio of
Question # 5
An alternating quantity (voltage or current) is completely known if we know its:
Question # 6
The peak value of alternating current is 5√2 A. The mean square value of current will be:
Question # 7
An in cudutor may store energy in
Question # 8
The unit of impedance is.
Question # 9
At resonance frequency, the impedance of RLC series circuit is.
Question # 10
The value of capacitive reactance is given by
Question # 11
100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.
Question # 12
The natural frequency of L.C circuit is equal to
Question # 13
The expression P = VI hold only when current and voltage are.
Question # 14
The main reason for world wide use of A.C is because:
Question # 15
Which consumes small power.
Question # 16
In LR circiut which one of the following statements is correct?
Question # 17
Choke consumes extremely small
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 of inductor which one is true |
A. Voltage leads current by phase angle π/2
B. Voltage lags current by π/2
C. Current leads voltage by π/2
D. Both remain in phase
|
| 2 | Electro magnetic waves emitted from radio antenna are. |
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
|
| 3 | The reactance is the ratio of |
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
|
| 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 | An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately |
A. 50 Hz
B. 100 Hz
C. 80 Hz
D. 120 Hz
|
| 6 | The A.M. transmission frequencies range from |
A. 540 KHz to 1000 KHz
B. 540 Khz to 1600 KHz
C. 520 KHz TO 1600 KHz
D. 520 KHz TO 1400 KHz
|
| 7 | The basic circuit element in A.C. circuit which controls current. |
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
|
| 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 circuit which compares the two voltages is. |
A. LDR
B. Sensor
C. Comparator
D. Logic gate
|
| 10 | The phase difference between current and voltage in an inductive circuit is. |
A. zero
B. 90 o
C. 180 o
D. 45o
|
Test Questions