an insulator at lower temperature,but becomes conductor at higher temperature
a. Semi-metal
b. Semi-conductors
c. Non metal
d. Non conductors
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an insulator at lower temperature,but becomes conductor at higher temperature
a. Semi-metal
b. Semi-conductors
c. Non metal
d. Non conductors
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Answer:
B. semiconductors
Explanation:
any of a class of solids (such as germanium or silicon) whose electrical conductivity is between that of a conductor and that of an insulator in being nearly as great as that of a metal at high temperatures and nearly absent at low temperatures.