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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 two inputs NAND gat with inputs a and b has an output '0' if.
Question # 2
An expression for gain of an inverting amplifier is
Question # 3
The device which is used as amplifier and works with the negative feedback is.
Question # 4
The average gap for Germanium at 0K is
Question # 5
When a PN-Junction is reverse biased the depletion region is.
Question # 6
Output resistance of an op amp is
Question # 7
One use of a single p-n junction semiconductor in an electrical circuit is a
Question # 8
The reverse saturation current in a PN junction diode is only due to:
Question # 9
For normal transistor the emitter current can be given by
Question # 10
Improper bisting of a transistor circiut produces:
Question # 11
The potential difference across depletion region in case of Si is
Question # 12
Most of the electrons in the base of an NPN transistor flow:
Question # 13
In a transistor, collector current is controlled by:
Question # 14
Minimum number of semi conductor diodes required for full wave rectification are.
Question # 15
In case of reverse biasing, current is flown due to:
Question # 16
Reverse current flows due to
Question # 17
X=A+B is the mathematical notation for.
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 | Light emitting diodes are made from semiconductors. |
A. Silicon
B. Germanium
C. Carbon
D. Gallium arsenide
|
| 3 | The device which are required to convert various physical quantities into electric voltage are called. |
A. Filters
B. Rectifiers
C. Amplifiers
D. Sensors
|
| 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 | Pulsating output of full wave rectifier can be made smooth by using circuit called. |
A. Filter
B. Amplifier
C. Resistor
D. Transistor
|
| 6 | Transistor was discovered by |
A. Young
B. Curie
C. John Bardeen
D. Shale's
|
| 7 | When a PN-Junction is reverse biased the depletion region is. |
A. Widened
B. Narrowed
C. Normal
D. None of these
|
| 8 | Photo diode is used for detection of. |
A. Heat
B. Magnet
C. Current
D. Light
|
| 9 | Photodiode is used for: |
A. Detection of current
B. Detection of heat
C. Detection of light
D. Both a & b
|
| 10 | The mathematical symbol for NOR operation is |
B. X = A . B
C. X = A + D
|
Test Questions