Questions
Choose the correct statement
a
The energy level occupied by the hole due to trivalent doping which lies very close to valance band is called donor level.
b
Doping of large amount of Boron provide millions of holes
c
Holes are always formed in conduction band
d
The trivalent foreign atom becomes effectively negatively charged when it shares fourth electron with host germanium atom and one acceptor atom gives one hole
detailed solution
Correct option is D
Option A- wrong because the energy level is acceptor level B- is wrong doping requires small amount of impurity C- Holes are always formed in valance bondTalk to our academic expert!
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