Question

semiconductors are manufactured by addition of impurity of​

Answer 1

Answer:

Explanation:

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Answer 2

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Explanation:

The conductivity of silicon is increased by adding a small amount (of the order of 1 in 108) of pentavalent (antimony, phosphorus, or arsenic) or trivalent (boron, gallium, indium) atoms. This process is known as doping and resulting semiconductors are known as doped or extrinsic semiconductors