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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
Transistors are made from
Question # 2
The ratio of potential barriers of Ge to Si at room temperatrue is.
Question # 3
The average gap for Germanium at 0K is
Question # 4
The device which is used as amplifier and works with the negative feedback is.
Question # 5
A device which converts low voltage or current to high voltage or current is called.
Question # 6
When a PN-Junction is reverse biased the depletion region is.
Question # 7
The open loop gain of the amplifier is order of.
Question # 8
In full wave rectification number of diodes required are equal to.
Question # 9
The ratio Beta in transistor is called.
Question # 10
The potential difference across the depletion region of germanium is.
Question # 11
OR gate is represented by:
Question # 12
The P.D develop in case of germanium is:
Question # 13
Which one has greater cone of impurity among all:
Question # 14
Light emitting diodes are made from semiconductors.
Question # 15
A diode characteristic curve is a plot between
Question # 16
The output voltage of a rectifier is.
Question # 17
Greater concentration of impurity is added in.
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 | Logic gate can control some physical parameters like. |
A. Temperature, Pressure
B. Resistance, Inductance
C. Capacitance, Impedance
D. Current, voltage
|
| 2 | 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.
|
| 3 | 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
|
| 4 | For rectification we use. |
A. Transformer
B. Diode
C. Choke
D. Generator
|
| 5 | The p-n junction in which p side is connected to+ive and n-side is -ve the junction is said to be: |
A. Neutral
B. Forward biased
C. Reversed biased
D. None of above
|
| 6 | Automatic function of street light can be done by the use of. |
A. Inductor
B. Rectifier
C. Comparator
D. emf
|
| 7 | 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
|
| 8 | A diode characteristics curve is a plot between |
A. Current and resistance
B. Voltage and time
C. Voltage and current
D. Current and time
|
| 9 | In a certain circuit, IB = 40 µA, IC = 20 mA |
A. 450 amp
B. 0.45 amp
C. 5 m amp
D. 500 amp
|
| 10 | Photo diode is used for detection of. |
A. Heat
B. Magnet
C. Current
D. Light
|
Test Questions