CHEMISTRY CLASS 12, Chapter 1 Solid States Class 12 Chemistry, Chapter 1 Solid States | Page 39

A man touching the electric pole with a metal rod will get an electric shock because metal rod is a conductor whereas a man touching the same with a wooden plank will be safe because wood is an insulator.
o Semiconductors:
o Solids with conductivities in the intermediate range from 10 – 6 to 104 ohm – 1 m – 1. o
For example, Gallium, Germanium, Silicon