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WorksheetsQuiz on Semiconductors
Total questions: 8
Worksheet time: 2mins
A semiconductor has generally ……………… valence electrons.
2
3
6
4
The forbiddenn energy gap for Germanium is of the order of
(a) 0.7 eV
(b) 0.3 eV
(c) 1.1 eV
(d) 10 eV
Which of the following is a pentavalent impuity added while forming an extrinsic semiconductor ?
Boron
Arsenic
Indium
Gallium
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 minority carriers in P-type silicon are called _________________
Neutron
Proton
Electron
Hole
During formation of p-n junction
an electron diffuses from n to p side
a hole diffuses from p to n side
a hole diffuses from n to p side
an electron diffuses from p to n side
An n type semiconductor is negatively charged
True
False
The battery connections required to forward bias a pn junction are ……
+ve terminal to p and –ve terminal to n
-ve terminal to p and +ve terminal to n
-ve terminal to p and –ve terminal to n
None of the above
