DEI 10013-Uji Minda-Topik 1

1.    Which of the following does not carry an electric charge?

• Proton

• Neutron

• Electron

• Ion

Which of the following is a conductive material?

• germanium

• carbon

• cooper

• silicon

Which of the following describes the arrangement of electrons in an atom of silicon?

• K shell = 2, L shell = 4, M shell = 8

• K shell = 2, L shell = 8, M shell = 4

• K shell = 2, L shell = 4, M shell = 18

• K shell = 2, L shell = 8, M shell = 18

Draw the atomic structure for Germanium (Ge).

(a)   semiconductor has low conductivity.

(a)   impurities is added to produce P-type semiconductor

P-type semiconductor is an acceptor type. True or false?

• True

• False

Majority current carrier for N-type semiconductor are holes. True or false?

• True

• False

What is doping process?

What is the purpose of doping process?