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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 photovoltaic cell, current is directly proportional to.
Question # 2
In case of op-amp as an inverting amplifier, V+ - V- = 0, this is because
Question # 3
For normal transistor the emitter current can be given by
Question # 4
A device which converts low voltage or current to high voltage or current is called.
Question # 5
Most of the electrons in the base of an NPN transistor flow:
Question # 6
Reverse current flows due to
Question # 7
In a transistor, collector current is controlled by:
Question # 8
Truth table of logic function.
Question # 9
In full wave rectification number of diodes required are equal to.
Question # 10
The semi conductor diode has the property of
Question # 11
The impurity in the germinium is usually in the ratio of
Question # 12
For automatic Switching of streetlight, the op amplifier is used as.
Question # 13
The sensor of light is.
Question # 14
Automatic function of street light can be done by the use of.
Question # 15
The ratio of potential barriers of Ge to Si at room temperatrue is.
Question # 16
A photo diode can turn its current ON and OFF in
Question # 17
LDR becomes necessary when op amp is used as a
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 | LDR becomes necessary when op amp is used as a |
A. Night switch
B. Inverter
C. Comparator
D. Rectifier
|
| 2 | When transistor are used in digital circuits they usually operate in the : |
A. Active region
B. Break down region
C. Saturation & cutoff regions
D. Linear region
|
| 3 | OR gate is represented by: |
A. X = A+B
B. X=A.B
C. X=A+B
D. X=A.B
|
| 4 | The semi conductor diode has the property of |
A. Two way conduction
B. Zero conduction
C. One way conduction
D. Amplification
|
| 5 | The sensor of light is. |
A. Transistor
B. LED
C. Diode
D. Light dependent resistance
|
| 6 | A two inputs NAND gat with inputs a and b has an output '0' if. |
A. B is zero
B. A is zero
C. Both A and B are 1
D. Both A and B are '0'
|
| 7 | Which one has greater cone of impurity among all: |
A. Emitter
B. Base
C. Collector
D. All are pure
|
| 8 | 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
|
| 9 | The device which are required to convert various physical quantities into electric voltage are called. |
A. Filters
B. Rectifiers
C. Amplifiers
D. Sensors
|
| 10 | The central region of a transistor is called. |
A. Emitter
B. Collector
C. Base
D. Neutral
|
Test Questions