1.

Choose only the wrong statement from the following :A. In conductors the valence and conduction bands may overlapB. Substances withenergy gap of the order of 10 eV are insulatorsC. The resistivity of a semiconductor increases with increase in temperatureD. The conductivity of a semiconductor increases with increase in temperature

Answer» Correct Answer - C
(a),(b) and (d) are correct. (c ) is wrong.
Resistivity of a semiconductor decreases with increase in temperature .


Discussion

No Comment Found

Related InterviewSolutions