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ICS Part 2 Physics
Chapter 18 Test
Start Chapter 18 Test
ICS Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 18 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 18 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics ICS Part 2 Chapter 18 Online MCQ's Test
00:00
Question # 1
In a transistor, collector current is controlled by:
Question # 2
The ratio of potential barriers of Ge to Si at room temperatrue is.
Question # 3
Transistors are made from
Question # 4
In full wave rectification number of diodes required are equal to.
Question # 5
A photo diode can turn its current ON and OFF in
Question # 6
Which component of the transistor has greater contrition of impurity.
Question # 7
During negative half cycle of A.c then p-n junction offers.
Question # 8
The potential difference across depletion region in case of Si is
Question # 9
Photo diode is used for detection of.
Question # 10
An expression for gain of an inverting amplifier is
Question # 11
The output from a full wave rectifier is
Question # 12
Conversion of A.C into D.C is called:
Question # 13
The average gap for Germanium at 0K is
Question # 14
The symbol of p-n-p transistor is
Question # 15
A light emitting diode emits light only when
Question # 16
Minimum number of semi conductor diodes required for full wave rectification are.
Question # 17
The open loop gain of the amplifier is order of.
ICS 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 circuit of full wave rectification consist of |
A. Three diodes
B. Four diodes
C. Two diodes
D. One diode
|
| 2 | A light emitting diode emits light only when |
A. Reverse biased
B. Forward biased
C. Unbiased
D. None of these
|
| 3 | The reverse saturation current in a PN junction diode is only due to: |
A. Majority carriers
B. Minoritycarriers
C. Acceptor ions
D. Donor ions
|
| 4 | Which one has greater cone of impurity among all: |
A. Emitter
B. Base
C. Collector
D. All are pure
|
| 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 | A diode characteristics curve is a plot between |
A. Current and resistance
B. Voltage and time
C. Voltage and current
D. Current and time
|
| 7 | In full wave rectification number of diodes required are equal to. |
A. 2
B. 3
C. 4
D. 5
|
| 8 | Photodiode is used for: |
A. Detection of current
B. Detection of heat
C. Detection of light
D. Both a & b
|
| 9 | Conversion of A.C into D.C is called: |
A. Compton effect
B. Rectification
C. Amplification
D. Pair production
|
| 10 | The potential barrier for silicon is. |
A. 0.7 V
B. 0.5 V
C. 0.3 V
D. 0.9 V
|
Test Questions