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SEMI-CONDUCTORS:
a semi-conductor is a material that has an electrical conductivity between that of a conductor and an insulator.This means roughly in the range 10^3 siemens per c.m. to 10^-8s/cm.Exposure to an electrical field, to different temparatures or frequencies of light may change a semiconductors conductivity.
a semi-conductor is a material that has an electrical conductivity between that of a conductor and an insulator.This means roughly in the range 10^3 siemens per c.m. to 10^-8s/cm.Exposure to an electrical field, to different temparatures or frequencies of light may change a semiconductors conductivity.
