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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
The ratio of potential barriers of Ge to Si at room temperatrue is.
Question # 2
The reverse saturation current in a PN junction diode is only due to:
Question # 3
Light emitting diodes are made from semiconductors.
Question # 4
Transistors are made from
Question # 5
Conversion of A.C into D.C is called:
Question # 6
For automatic Switching of streetlight, the op amplifier is used as.
Question # 7
Doping is made comparatively larger in
Question # 8
In full wave rectification number of diodes required are equal to.
Question # 9
X=A+B is the mathematical notation for.
Question # 10
LDR becomes necessary when op amp is used as a
Question # 11
A diode characteristic curve is a plot between
Question # 12
The P.D develop in case of silicon is:
Question # 13
A two inputs NAND gat with inputs a and b has an output '0' if.
Question # 14
Which is not fundamental logic gate.
Question # 15
Transistor was discovered by
Question # 16
A light emitting diode emits light only when
Question # 17
A photo diode can turn its current ON and OFF in
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 mathematical symbol for NOR operation is |
B. X = A . B
C. X = A + D
|
| 2 | The reverse saturation current in a PN junction diode is only due to: |
A. Majority carriers
B. Minoritycarriers
C. Acceptor ions
D. Donor ions
|
| 3 | The output from a full wave rectifier is |
A. An ac voltage
B. A dc voltage
C. Zero
D. A pulsating unidirectional voltage
|
| 4 | During negative half cycle of A.c then p-n junction offers. |
A. High resistance
B. Low resistance
C. No resistance
D. All of these
|
| 5 | 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
|
| 6 | 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
|
| 7 | Depletion region carries. |
A. -ve charge
B. +ve charge
C. Ions
D. No charge
|
| 8 | The central region of a transistor is called. |
A. Emitter
B. Collector
C. Base
D. Neutral
|
| 9 | In case of reverse biasing, current is flown due to: |
A. Minority charge carriers
B. Majority charge carriers
C. Electrons
D. Protons
|
| 10 | The input resistance of an op amplifier is. |
A. Low
B. High
C. Zero
D. Equal to output resistance
|
Test Questions
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