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ICS Part 2 Physics
Chapter 18 Test
Start Chapter 18 Test
ICS Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 18 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 18 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics ICS Part 2 Chapter 18 Online MCQ's Test
00:00
Question # 1
The p-n junction in which p side is connected to+ive and n-side is -ve the junction is said to be:
Question # 2
In a certain circuit, IB = 40 µA, IC = 20 mA
Question # 3
A.C. can be converted into D.C. by
Question # 4
Which component of the transistor has greater contrition of impurity.
Question # 5
Doping is made comparatively larger in
Question # 6
Minimum number of semi conductor diodes required for full wave rectification are.
Question # 7
Which factor does not affect the conductivity of PN-Junction diode.
Question # 8
The average gap for Germanium at 0K is
Question # 9
The potential barrier for silicon is.
Question # 10
Truth table of logic function.
Question # 11
The reverse saturation current in a PN junction diode is only due to:
Question # 12
The output voltage of a rectifier is.
Question # 13
LDR becomes necessary when op amp is used as a
Question # 14
The semi conductor diode has the property of
Question # 15
During negative half cycle of A.c then p-n junction offers.
Question # 16
When a PN-Junction is reverse biased the depletion region is.
Question # 17
Rectification is the process of converting.
ICS Part 2 Physics Chapter 18 Online Test MCQ's
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FSc Part II Physics Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The potential difference across depletion region in case of Si is |
A. 0.6 volt
B. 0.9 volt
C. 0.7 volt
D. 0.2 volt
|
| 2 | A.C. can be converted into D.C. by |
A. An oscillator
B. Detector
C. An amplifier
D. Rectifier
|
| 3 | A photo diode can turn its current ON and OFF in |
A. Micro seconds
B. Mega seconds
C. Nano seconds
D. Mili seconds
|
| 4 | The p-n junction in which p side is connected to+ive and n-side is -ve the junction is said to be: |
A. Neutral
B. Forward biased
C. Reversed biased
D. None of above
|
| 5 | The open loop gain of the amplifier is order of. |
A. 106
B. 105
C. 107
D. 103
|
| 6 | The ratio of potential barriers of Ge to Si at room temperatrue is. |
A. 7:3
B. 1:3
C. 2:5
D. 3:7
|
| 7 | In photovoltaic cell, current is directly proportional to. |
A. Wavelength of light
B. Intensity of light
C. Energy
D. Frequency of light
|
| 8 | Photodiode is used for: |
A. Detection of current
B. Detection of heat
C. Detection of light
D. Both a & b
|
| 9 | The mathematical symbol for NOR operation is |
B. X = A . B
C. X = A + D
|
| 10 | The device which is used as amplifier and works with the negative feedback is. |
A. Operational amplifier
B. P-n-p transistor
C. n-p-n transistor
D. Transistor
|
Test Questions