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WorksheetsCRO and semiconductor
Total questions: 11
Worksheet time: 5mins
Doping of Semiconductors
materials which can conduct electricity better than insulator, but not as well as conductors.
The process of adding of a certain amount of specific impurities atoms in the pure semiconductor.
when 4 electrons in outermost orbit.
The characteristics of p-type semiconductors is includes
Majority carriers are holes
Has tendency to gain electron
Has tendency to donor electron
Easy to conduct electricity
The process of adding an impurity to an intrinsic semiconductor is called
Doping
Ionization
Recombination
Atomic modification
Materials which can conduct electricity better than insulator,but not as well as conductors. This is the definition of
diode
semiconductor
conductor
insulator
superconductor
Valence electrons are
in the closest orbit to the nucleus
in the most distant orbit from the nucleus
in various orbits around the nucleus
not associated with a particular atom
The current in a semiconductor is produced by
electron only
holes only
negative ions
both electrons and holes
Hole is
an anti-particle of electron
a vacancy created when an electron leaves a covalent bond.
absence of free electrons.
an artifically created particle
what is thermionic emission
the emission of electron when surface of metal cold down
the emission of proton when surface of metal get heated
the emission of electron when surface of metal get heated
the emission of negatively ion when surface of metal get heated
what is a cathode ray
the emission of electron when surface of metal get heated
a beam of fast moving electron
the emission of negatively when surface of metal get heated
the emission of light
the conductivity of semiconductor increase when
its temperature increase
its temperature decrease
it is moving in high velocity
the current applied increase
The characteristics of n-type semiconductors is includes
Majority carriers are holes
Majority carriers are electrons
Has tendency to donor electron
Easy to conduct electricity
