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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
Which diode works at reverse biasing.
Question # 2
In a transistor, collector current is controlled by:
Question # 3
In photovoltaic cell, current is directly proportional to.
Question # 4
The ratio of potential barriers of Ge to Si at room temperatrue is.
Question # 5
The central region of a transistor is called.
Question # 6
Greater concentration of impurity is added in.
Question # 7
The open loop gain of the amplifier is order of.
Question # 8
Transistors are made from
Question # 9
The ratio Beta in transistor is called.
Question # 10
The reverse saturation current in a PN junction diode is only due to:
Question # 11
Which component of the transistor has greater contrition of impurity.
Question # 12
When transistor are used in digital circuits they usually operate in the :
Question # 13
The term invertor is used for.
Question # 14
A light emitting diode emits light only when
Question # 15
In a certain circuit, IB = 40 µA, IC = 20 mA
Question # 16
A photo diode can turn its current ON and OFF in
Question # 17
The gate, which changes the logic level to its opposite level is called
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 | A transistor has: |
A. Two regions
B. Three regions
C. Single regions
D. Four regions
|
| 2 | Which component of the transistor has greater contrition of impurity. |
A. Base
B. Emitter
C. Collector
D. Emitter and collector
|
| 3 | Photo diode detects. |
A. Visible light
B. Radio waves
C. X rays
D. All of them
|
| 4 | OR gate is represented by: |
A. X = A+B
B. X=A.B
C. X=A+B
D. X=A.B
|
| 5 | Improper bisting of a transistor circiut produces: |
A. Heavy loading of emitter current
B. Distortion in the output output signal
C. Excessive heat at collector terminal
D. Faculty location of load line
|
| 6 | 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
|
| 7 | Minimum number of semi conductor diodes required for full wave rectification are. |
A. 1
B. 2
C. 3
D. 4
|
| 8 | For automatic Switching of streetlight, the op amplifier is used as. |
A. Inductor
B. Converter
C. Comparator
D. Thermistor
|
| 9 | Conversation of only one half of A.C. into D.C. is called. |
A. Half wave amplification
B. Wave amplification
C. Half wave electrification
D. Half wave rectification
|
| 10 | The output from a full wave rectifier is |
A. An ac voltage
B. A dc voltage
C. Zero
D. A pulsating unidirectional voltage
|
Test Questions