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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
A light emitting diode emits light only when
Question # 2
the number of terminals in a semiconductor diode are
Question # 3
The device which is used as amplifier and works with the negative feedback is.
Question # 4
A diode characteristics curve is a plot between
Question # 5
The open loop gain of the amplifier is order of.
Question # 6
The central region of a transistor is called.
Question # 7
In a transistor, collector current is controlled by:
Question # 8
Reverse current flows due to
Question # 9
The ratio Beta in transistor is called.
Question # 10
The P.D develop in case of germanium is:
Question # 11
Most of the electrons in the base of an NPN transistor flow:
Question # 12
Improper bisting of a transistor circiut produces:
Question # 13
An expression for gain of an inverting amplifier is
Question # 14
Transistors are made from
Question # 15
The use of LDR is in the circuit of.
Question # 16
For automatic Switching of streetlight, the op amplifier is used as.
Question # 17
Which diode works at reverse biasing.
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 | Transistor was discovered by |
A. Young
B. Curie
C. John Bardeen
D. Shale's
|
| 2 | 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
|
| 3 | The ratio Beta in transistor is called. |
A. Voltage gain
B. Emitter gain
C. Current gain
D. Nuclear gain
|
| 4 | For normal transistor the emitter current can be given by |
A. IE = IC
B. IE = IC + IB
C. IE = IB
D. None of these
|
| 5 | In a certain circuit, IB = 40 µA, IC = 20 mA |
A. 450 amp
B. 0.45 amp
C. 5 m amp
D. 500 amp
|
| 6 | For automatic Switching of streetlight, the op amplifier is used as. |
A. Inductor
B. Converter
C. Comparator
D. Thermistor
|
| 7 | Photo diode detects. |
A. Visible light
B. Radio waves
C. X rays
D. All of them
|
| 8 | A transistor has parts: |
A. 2
B. 3
C. 4
D. 5
|
| 9 | For normal use: |
A. Emitter base function is reversed biased
B. Collector base junction is reserved biased
C. Emitter base junction is forward biased
D. Both c and b
|
| 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
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