Materials and Components

Q1: Which of the following are donor impurities?

Gold

Phosphorus

Boron

Antimony

Arsenic

Induim

Select the correct answer using the following codes

A 1, 2, 3

B 1, 2, 4, 6

C 3, 4, 5, 6

D 2, 4, 5

ANS:D - 2, 4, 5

Donor impurities have five valence electrons.

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