Worksheet No. 1

No. 1 How many valence electrons does a silicon atom have?

No. 2 Silicon atoms combine into an orderly pattern. What is it called?

No. 3 If you wanted to produce a P-type semiconductor which of these would you use?

Acceptor atoms
Donor atoms
Pentavalent impurity
Silicon

No. 4 Holes are minority carriers in which type of semiconductor?

No. 5 What is the barrier potential of a silicon diode at room temperature?

No. 6 What happens to an electron travelling through a forward biased diode?