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FSC Part 2 Physics
Chapter 18 Test
Start Chapter 18 Test
FSC Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 18 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 18 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics FSC Part 2 Chapter 18 Online MCQ's Test
00:00
Question # 1
In case of reverse biasing, current is flown due to:
Question # 2
The circuit of full wave rectification consist of
Question # 3
Automatic function of street light can be done by the use of.
Question # 4
A transistor has:
Question # 5
In a transistor, collector current is controlled by:
Question # 6
Photodiode is used for:
Question # 7
Photo diode is used for detection of.
Question # 8
A two inputs NAND gat with inputs a and b has an output '0' if.
Question # 9
Rectification is the process of converting.
Question # 10
OR gate is represented by:
Question # 11
Transistors are made from
Question # 12
The impurity in the germinium is usually in the ratio of
Question # 13
Most of the electrons in the base of an NPN transistor flow:
Question # 14
A photo diode can turn its current ON and OFF in
Question # 15
The reverse saturation current in a PN junction diode is only due to:
Question # 16
When a PN-Junction is reverse biased the depletion region is.
Question # 17
The ratio of potential barriers of Ge to Si at room temperatrue is.
FSC 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 sensor of light is. |
A. Transistor
B. LED
C. Diode
D. Light dependent resistance
|
| 2 | In case of reverse biasing, current is flown due to: |
A. Minority charge carriers
B. Majority charge carriers
C. Electrons
D. Protons
|
| 3 | Which diode works at reverse biasing. |
A. LED
B. Photo voltaic cell
C. Photo diode
D. Silicon diode
|
| 4 | A diode characteristic curve is a plot between |
A. Current and time
B. Voltage and time
C. Voltage and current
D. Forward voltage and reverse voltage
|
| 5 | The P.D develop in case of silicon is: |
A. 0.7V
B. 0.3V
C. 0.5V
D. 0.9V
|
| 6 | A PN junction can not be sued a. |
A. Rectifier
B. Amplifier
C. Detector
D. LED
|
| 7 | The output from a full wave rectifier is |
A. An ac voltage
B. A dc voltage
C. Zero
D. A pulsating unidirectional voltage
|
| 8 | LDR becomes necessary when op amp is used as a |
A. Night switch
B. Inverter
C. Comparator
D. Rectifier
|
| 9 | The symbol of p-n-p transistor is | |
| 10 | Which factor does not affect the conductivity of PN-Junction diode. |
A. Doping
B. Temperature
C. Voltage
D. Pressure
|
Test Questions
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