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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
The central region of a transistor is called.
Question # 2
Transistor was discovered by
Question # 3
In case of op-amp as an inverting amplifier, V+ - V- = 0, this is because
Question # 4
One use of a single p-n junction semiconductor in an electrical circuit is a
Question # 5
Transistor was invented by:
Question # 6
In photovoltaic cell, current is directly proportional to.
Question # 7
Which factor does not affect the conductivity of PN-Junction diode.
Question # 8
Logic gate can control some physical parameters like.
Question # 9
Which diode works at reverse biasing.
Question # 10
The input resistance of an op amplifier is.
Question # 11
Which is not fundamental logic gate.
Question # 12
X=A+B is the mathematical notation for.
Question # 13
the number of terminals in a semiconductor diode are
Question # 14
The use of LDR is in the circuit of.
Question # 15
Which component of the transistor has greater contrition of impurity.
Question # 16
In a transistor, collector current is controlled by:
Question # 17
For rectification we use.
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 reverse saturation current in a PN junction diode is only due to: |
A. Majority carriers
B. Minoritycarriers
C. Acceptor ions
D. Donor ions
|
| 2 | The potential difference across the depletion region of germanium is. |
A. 0.3 V
B. 0.5 V
C. 0.7 V
D. 0.8 V
|
| 3 | Doping is made comparatively larger in |
A. Emitter
B. Base
C. Collector
D. P -type semi conductor
|
| 4 | Photodiode is used for: |
A. Detection of current
B. Detection of heat
C. Detection of light
D. Both a & b
|
| 5 | In an N-type silicon, which of the following statement is true? |
A. Electrons are majority carriers & trivalent atoms are the dopants
B. Electrons are majority carriers & pentavalent atoms are the dopants
C. Holes are minority carriers & pentavalent atoms are the dopants.
D. Holes are minority carriers & trivavalent atoms are the dopants.
|
| 6 | The device which are required to convert various physical quantities into electric voltage are called. |
A. Filters
B. Rectifiers
C. Amplifiers
D. Sensors
|
| 7 | Transistors are made from |
A. Plastics
B. Metals
C. Insulator
D. Doped semi conductors
|
| 8 | Conversion of A.C into D.C is called: |
A. Compton effect
B. Rectification
C. Amplification
D. Pair production
|
| 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 | For automatic Switching of streetlight, the op amplifier is used as. |
A. Inductor
B. Converter
C. Comparator
D. Thermistor
|
Test Questions
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