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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
For normal use:
Question # 2
In photovoltaic cell, current is directly proportional to.
Question # 3
The average gap for Germanium at 0K is
Question # 4
The reverse saturation current in a PN junction diode is only due to:
Question # 5
In case of reverse biasing, current is flown due to:
Question # 6
The use of LDR is in the circuit of.
Question # 7
Transistors are made from
Question # 8
Which diode works at reverse biasing.
Question # 9
Transistor was invented by:
Question # 10
The potential difference across depletion region in case of Si is
Question # 11
The chargeless region after formation of Pn junction is called:
Question # 12
For automatic Switching of streetlight, the op amplifier is used as.
Question # 13
Depletion region carries.
Question # 14
Minimum number of semi conductor diodes required for full wave rectification are.
Question # 15
Rectification is the process of converting.
Question # 16
In a transistor, collector current is controlled by:
Question # 17
A transistor has:
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 | In case of reverse biasing, current is flown due to: |
A. Minority charge carriers
B. Majority charge carriers
C. Electrons
D. Protons
|
| 2 | In a transistor, collector current is controlled by: |
A. Collector voltage
B. Base current
C. Collector resistance
D. All of the above
|
| 3 | X=A+B is the mathematical notation for. |
A. OR gate
B. NOR gate
C. NAND gate
D. AND gate
|
| 4 | A light emitting diode emits light only when |
A. Reverse biased
B. Forward biased
C. Unbiased
D. None of these
|
| 5 | The gate, which changes the logic level to its opposite level is called |
A. NOR gate
B. AND gate
C. OR gate
D. NOT gate
|
| 6 | Light emitting diodes are made from semiconductors. |
A. Silicon
B. Germanium
C. Carbon
D. Gallium arsenide
|
| 7 | The potential barrier for silicon is. |
A. 0.7 V
B. 0.5 V
C. 0.3 V
D. 0.9 V
|
| 8 | In case of op-amp as an inverting amplifier, V+ - V- = 0, this is because |
A. Open gain loop is very low
B. Closed loop gain is very high
C. Open loop gain is very high
D. Both (a) and (a)
|
| 9 | The ratio Beta in transistor is called. |
A. Voltage gain
B. Emitter gain
C. Current gain
D. Nuclear gain
|
| 10 | Doping is made comparatively larger in |
A. Emitter
B. Base
C. Collector
D. P -type semi conductor
|
Test Questions
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