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At absolute zero, Si acts as which of the following?(a) Non-metal(b) Metal(c) Insulator(d) SuperconductorThis question was addressed to me in examination.My question is from Classification of Metals, Conductors and Semiconductors topic in portion Semiconductor Electronics : Materials, Devices and Simple Circuits of Physics – Class 12

Answer»

Correct choice is (C) Insulator

The explanation: At absolute zero, the element, silicon (Si) acts as an insulator due to the absence of FREE electrons in the conduction BAND. The other OPTIONS are not valid.



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