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WorksheetsIntroduction to Semiconductor
Total questions: 10
Worksheet time: 4mins
Every known element has
the same type of atoms
the same number of atoms
a unique type of atom
several different types of atoms
An atom consists of
one nucleus and only one electron
one nucleus and one or more electrons
protons, electrons and neutrons
answer (b) and (c)
The nucleus of an atom is made up of
protons and neutrons
electrons
electrons and protons
electrons and neutrons
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 most widely used semi-conductive material in electronic device
germanium
carbon
cooper
silicon
The energy band in which free electrons exist is the
first band
second band
conductive band
valence band
The current in a semiconductor is produced by
electron only
holes only
negative ions
both electrons and holes
The process of adding an impurity to an intrinsic semiconductor is called
doping
recombination
atomic modification
ionization
The majority carrier in an n-type semiconductor are
holes
valences electrons
conduction electrons
protons
A pn junction is formed by
the recombination of electrons and holes
ionization
the boudary of a p-type and an n-type material
the collision of a proton and a neutron
