SEMI CONDUCTORS
*Materials whose conductivity lies between conductors and insulators
Ans : Semi conductors
*Examples of semiconductors are
Ans : Germanium, Silicon
*Semi conductor in pure state is called
Ans : Intrinsic Semiconductors
*In intrinsic, number of holes is equal to number of
Ans : Electrons
*The process to improve conductivity
Ans : Doping
*Process of adding controlled impurities to a pure semiconductor is known as
Ans : Doping
*The substances used for doping
Ans : Dopants
*An intrinsic semiconductor undergoes doping, change into
Ans : Extrinsic semiconductor
*Extrinsic are of two types:
(1)N-type semiconductor
(2)P-type semiconductor In N-type, charge carriers are
Ans : Electrons
*An intrinsic semiconductors have
*Trivalent impurity (eg: Boron, Gallium)
*Pentavalent impurity (eg: Antimony, Arsenic)
■ SEMI CONDUCTORS ARE USED MAINLY IN
* Solar cells (silicon) *transistors
*diodes *Integrated circuits (IC)
DIODE
*The electronic device which has semiconducting property that allows current to flow in one direction
Ans :Diode
*Diode is mostly used to convert
Ans :AC to DC
*Diode is used as a
Ans :Rectifier
*Zener diode is used as
Ans :Voltage regulator
TRANSISTOR
*A semiconductor device used to amplify or switch electronic signals and electrical power
Ans : Transistor
*Transistor is operated at low temperatures and voltages.
*Three regions of a transistor
Ans :Emitter, Base, Collector
*Transistor transfers a signal from a low resistance to
Ans :High resistance
*Transistor was invented by
Ans :John Bardeen, W.H. Brattain and William Shockley
*Electronic intelligene is called
Ans :ELINT
For boards and neet aspirants
*Materials whose conductivity lies between conductors and insulators
Ans : Semi conductors
*Examples of semiconductors are
Ans : Germanium, Silicon
*Semi conductor in pure state is called
Ans : Intrinsic Semiconductors
*In intrinsic, number of holes is equal to number of
Ans : Electrons
*The process to improve conductivity
Ans : Doping
*Process of adding controlled impurities to a pure semiconductor is known as
Ans : Doping
*The substances used for doping
Ans : Dopants
*An intrinsic semiconductor undergoes doping, change into
Ans : Extrinsic semiconductor
*Extrinsic are of two types:
(1)N-type semiconductor
(2)P-type semiconductor In N-type, charge carriers are
Ans : Electrons
*An intrinsic semiconductors have
*Trivalent impurity (eg: Boron, Gallium)
*Pentavalent impurity (eg: Antimony, Arsenic)
■ SEMI CONDUCTORS ARE USED MAINLY IN
* Solar cells (silicon) *transistors
*diodes *Integrated circuits (IC)
DIODE
*The electronic device which has semiconducting property that allows current to flow in one direction
Ans :
*Diode is mostly used to convert
Ans :
*Diode is used as a
Ans :
*Zener diode is used as
Ans :
*A semiconductor device used to amplify or switch electronic signals and electrical power
Ans : Transistor
*Transistor is operated at low temperatures and voltages.
*Three regions of a transistor
Ans :
*Transistor transfers a signal from a low resistance to
Ans :
*Transistor was invented by
Ans :
*Electronic intelligene is called
Ans :
For boards and neet aspirants
Physics linx - anil kumar
SEMI CONDUCTORS *Materials whose conductivity lies between conductors and insulators Ans : Semi conductors *Examples of semiconductors are Ans : Germanium, Silicon *Semi conductor in pure state is called Ans : Intrinsic Semiconductors *In intrinsic, number…
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