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At which temperature, a pure semiconductor behaves slightly as a conductor?(a) Low temperature(b) Room temperature(c) High temperature(d) Supercritical temperatureThis question was posed to me in an internship interview.This intriguing question comes from Classification of Metals, Conductors and Semiconductors in portion Semiconductor Electronics : Materials, Devices and Simple Circuits of Physics – Class 12

Answer»

Right choice is (c) High temperature

Easiest explanation: A PURE semiconductor BEHAVES SLIGHTLY as a CONDUCTOR at high temperatures. Their resistivity increase as temperature INCREASES. Therefore, at high temperatures, semiconductors slightly act as a conductor.



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