Electronic Devices and Circuits - Engineering

Q1:

Which of the following semiconductor has the highest melting point?

A Germanium

B Silicon

C Gallium arsenide

D Lead sulphide

ANS:D - Lead sulphide

The correct answer is B.

Si has 1410.
Ge has 938.2.
Gallium Arsenide 1238 &
Lead sulfide 1114.