A silicon specimen is made into a P- type semi-conductor by doping, on an average, one…
Physics · JEE Advanced · NTA Exams — Electronic Devices
A silicon specimen is made into a P-type semi-conductor by doping, on an average, one Indium atom per 5 × 107 silicon atoms. If the number density of atoms in the silicon specimen is 5 × 1028 atoms /m3 then the number of acceptor atoms in silicon per cubic centimetre will be
- 2.5 × 1030 atoms /cm3
- 1.0 × 1013 atoms /cm3
- 1.0 × 1015 atoms /cm3
- 2.5 × 1036 atoms /cm3
Answer
(C) 1.0 × 10 15 atoms /cm 3
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