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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
LDR becomes necessary when op amp is used as a
Question # 2
The chargeless region after formation of Pn junction is called:
Question # 3
The output voltage of a rectifier is.
Question # 4
Photodiode is used for:
Question # 5
A diode characteristics curve is a plot between
Question # 6
Rectification is the process of converting.
Question # 7
A transistor has parts:
Question # 8
In case of op-amp as an inverting amplifier, V+ - V- = 0, this is because
Question # 9
For normal use:
Question # 10
Output resistance of an op amp is
Question # 11
When transistor are used in digital circuits they usually operate in the :
Question # 12
Photo diode detects.
Question # 13
For normal transistor the emitter current can be given by
Question # 14
Reverse current flows due to
Question # 15
An expression for gain of an inverting amplifier is
Question # 16
The P.D develop in case of germanium is:
Question # 17
The input resistance of an op amplifier is.
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 | A diode characteristic curve is a plot between |
A. Current and time
B. Voltage and time
C. Voltage and current
D. Forward voltage and reverse voltage
|
| 2 | A.C. can be converted into D.C. by |
A. An oscillator
B. Detector
C. An amplifier
D. Rectifier
|
| 3 | A light emitting diode emits light only when |
A. Reverse biased
B. Forward biased
C. Unbiased
D. None of these
|
| 4 | The circuit of full wave rectification consist of |
A. Three diodes
B. Four diodes
C. Two diodes
D. One diode
|
| 5 | In a transistor, collector current is controlled by: |
A. Collector voltage
B. Base current
C. Collector resistance
D. All of the above
|
| 6 | 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
|
| 7 | OR gate is represented by: |
A. X = A+B
B. X=A.B
C. X=A+B
D. X=A.B
|
| 8 | Reverse current flows due to |
A. Majority charge carriers
B. Minority charge carriers
C. Electrons
D. Holes
|
| 9 | 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.
|
| 10 | The average gap for Germanium at 0K is |
A. 1.12 ev
B. 0.02 ev
C. 6.72 ev
D. 7.2 ev
|
Test Questions
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