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Briefly explain how impurities are selected for doping in group 14 semiconductors.

This process is known as doping. It can be done by adding either of two types of impurity to the crystal.

(A) By adding electron rich impurities i.e., group 15 elements to the silicon and germanium of group 14 elements.

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1 a

2 d

3 a

4 c

explanation:

answerspecific gravity;