Indicate which of the following statements are true with regard to semiconductors. (a) elemental semiconductors are made of metalloids (b) semiconductors have a band gap that is greater than 3.5 eV (c) doping a semiconductor with a few ppm of a p block element increases the conductivity of that material by a million fold (d) compound semiconductors must contain at least one metalloid element
8. Indicate which of the following statements are true with regard to semiconductors.
(a) elemental semiconductors are made of metalloids
(b) semiconductors have a band gap that is greater than 3.5 eV
(c) doping a semiconductor with a few ppm of a p block element increases the conductivity of that material by a million fold
(d) compound semiconductors must contain at least one metalloid element
8. Indicate which of the following statements are true with regard to semiconductors.
(a) elemental semiconductors are made of metalloids
(b) semiconductors have a band gap that is greater than 3.5 eV
(c) doping a semiconductor with a few ppm of a p block element increases the conductivity of that material by a million fold
(d) compound semiconductors must contain at least one metalloid element
Group of answer choices
A. (b) & (d)
B. (a) & (c)
C. all four staements are true
D. (a), (c) & (d)
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