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ECE · Q230

Electronic Devices And Circuits

Engineering and GATE · ECE · question 230

Q230

A block of Silicon is doped with a donor atom density ND = 3 × 1014 atoms/cm3, and with an acceptor density of NA = 0.5 × 1014 atoms/cm3 find the resultant density of electrons.

A.
4.5 × 1014 electrons/cm3
B.
3.5 × 1014 electrons/cm3
C.
2.5 × 1014 electrons/cm3
Answer
D.
5.5 × 1014 electrons/cm3

Answer: Option C

Solution

Answer: Option C
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