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Silicon is a semiconductor. If a small amount of As is added to it, then its electrical conductivity
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Correct option is B
Impurity increases the conductivity.Similar Questions
A silicon specimen is made into a P-type semi-conductor by doping, on an average, one indium atom per silicon atoms. If the number density of atoms in the silicon specimen is atoms then the number of acceptor atoms in silicon per cubic centimetre will be
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