WorksheetsRCmoocs quiz 1
Total questions: 5
Worksheet time: 3mins
Name
Class
Date
1.
A semiconductor is formed by ……… bonds.
a)
Covalent
b)
Electrovalent
c)
Co-ordinate
d)
None of the above
2.
A semiconductor has ………… temperature coefficient of resistance.
a)
positve
b)
negative
c)
none of the above
3.
The most commonly used semiconductor is ………..
a)
germanium
b)
silicon
c)
iorn
d)
copper
4.
A semiconductor has generally ……………… valence electrons.
a)
1
b)
2
c)
3
d)
4
5.
When a pure semiconductor is heated, its resistance …………..
a)
goes up
b)
goes down
c)
remains the same
d)
zero
100 %
