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Worksheetssemiconductor Devices
Total questions: 17
Worksheet time: 17mins
Conductor is
good carrier of electricity
poor carrier of electricity
semiconductor is
poor conductivity
lies between conductivity and insulator
Examples for N-type material
Arsenic
Aluminium
Antimony
Bismuth
Examples for P-type material.
Boron
Gallium
Bismuth
Indium
Applying external D.C voltage to any electronic device is called
(a)
In PN junction forward biasing width of the depletion region
Increases
Decreases
The types of breakdown in zener diode reverse bias condition is
Avalanche Breakdown
voltage breakdown
Zener Breakdown
The phenomenon used in LED is called
Electro illuminance
Electrolence
Electro Luminance
Opto coupler consist of
Light Emitter
Insulator
Light Detector
Light Indicator
Rectifier converts
D.C. current to A.C current
A.C current to D.C current
In shunt voltage regulator transistor and zener diode are placed
Parallel connection
Series connection
The output voltage for Series voltage regulator is
Summation of zener and trasistor voltage
Subtraction of transistor from zener voltage
Subtraction of zener from transistor voltage
In operational amplifier which pin number is allotted for inverting input
(a)
In Operational Amplifier which pin number is allotted for output voltage
(a)
In Operational Amplifier - Adder Application - the output voltage will be equal to
Sum of all input voltages
subtraction from one to input voltage to another
In Operational Amplifier-Divider- the output voltage is
M times multiplication of input voltage.
D times division of input voltage
Applications of Operational Amplifier
Adder
Subtractor
Multiplier
Multiplexer
Encoder
