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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
Transistor was discovered by
Question # 2
A photo diode can turn its current ON and OFF in
Question # 3
LDR becomes necessary when op amp is used as a
Question # 4
Which one has greater cone of impurity among all:
Question # 5
In an N-type silicon, which of the following statement is true?
Question # 6
The sensor of light is.
Question # 7
The reverse saturation current in a PN junction diode is only due to:
Question # 8
the number of terminals in a semiconductor diode are
Question # 9
The resistance between the inverting (-) and non inverting inputs is called Input resistance and is the order of.
Question # 10
Reverse current flows due to
Question # 11
The gain of transistor amplifier depends upon
Question # 12
In a transistor, collector current is controlled by:
Question # 13
In case of op-amp as an inverting amplifier, V+ - V- = 0, this is because
Question # 14
An expression for gain of an inverting amplifier is
Question # 15
The output voltage of a rectifier is.
Question # 16
The device which is used as amplifier and works with the negative feedback is.
Question # 17
_______ is the building block of every electronic circuit.
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 chargeless region after formation of Pn junction is called: |
A. Free region
B. Depletion region
C. Field region
D. U.V region
|
| 2 | One use of a single p-n junction semiconductor in an electrical circuit is a |
A. Rectifier
B. Transistor
C. Battery
D. Diode
|
| 3 | Minimum number of semi conductor diodes required for full wave rectification are. |
A. 1
B. 2
C. 3
D. 4
|
| 4 | A diode characteristics curve is a plot between |
A. Current and resistance
B. Voltage and time
C. Voltage and current
D. Current and time
|
| 5 | The symbol of p-n-p transistor is | |
| 6 | Photo diode is used for detection of. |
A. Heat
B. Magnet
C. Current
D. Light
|
| 7 | The circuit of full wave rectification consist of |
A. Three diodes
B. Four diodes
C. Two diodes
D. One diode
|
| 8 | Photodiode is used for: |
A. Detection of current
B. Detection of heat
C. Detection of light
D. Both a & b
|
| 9 | The potential barrier for silicon is. |
A. 0.7 V
B. 0.5 V
C. 0.3 V
D. 0.9 V
|
| 10 | Greater concentration of impurity is added in. |
A. Base
B. Emitter
C. Collector
D. LED
|
Test Questions