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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 colour of light emitted by a LED depends on.
Question # 2
A diode characteristics curve is a plot between
Question # 3
Photo diode detects.
Question # 4
In photovoltaic cell, current is directly proportional to.
Question # 5
The input resistance of an op amplifier is.
Question # 6
The ratio of potential barriers of Ge to Si at room temperatrue is.
Question # 7
Base of transistor is of order:
Question # 8
Which is not fundamental logic gate.
Question # 9
The impurity in the germinium is usually in the ratio of
Question # 10
A diode characteristic curve is a plot between
Question # 11
The open loop gain of the amplifier is order of.
Question # 12
The device which are required to convert various physical quantities into electric voltage are called.
Question # 13
The P.D develop in case of germanium is:
Question # 14
A photo diode can turn its current ON and OFF in
Question # 15
The potential difference across the depletion region of germanium is.
Question # 16
In a certain circuit, IB = 40 µA, IC = 20 mA
Question # 17
Truth table of logic function.
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 | Reverse current flows due to |
A. Majority charge carriers
B. Minority charge carriers
C. Electrons
D. Holes
|
| 2 | An expression for gain of an inverting amplifier is |
C. (R1R2)
D. None of these
|
| 3 | The P.D develop in case of germanium is: |
A. 0.3
B. 0.7
C. 0.5
D. 0.9
|
| 4 | In a transistor, collector current is controlled by: |
A. Collector voltage
B. Base current
C. Collector resistance
D. All of the above
|
| 5 | Output resistance of an op amp is |
A. High
B. Low
C. Zero
D. Equal to input resistance
|
| 6 | Transistors are made from |
A. Plastics
B. Metals
C. Insulator
D. Doped semi conductors
|
| 7 | The sensor of light is. |
A. Transistor
B. LED
C. Diode
D. Light dependent resistance
|
| 8 | Which component of the transistor has greater contrition of impurity. |
A. Base
B. Emitter
C. Collector
D. Emitter and collector
|
| 9 | Conversion of A.C into D.C is called: |
A. Compton effect
B. Rectification
C. Amplification
D. Pair production
|
| 10 | 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
|
Test Questions