Semiconductors Chapters 19 20 22. Tubes Semiconductors.
Elements 11- 20. Periodic Table Sodium Sodium atom.
1 SEMICONDUCTOR MATERIALS UNITS Resistivity, is given by: RA)/L = m 2 / m = m Conductivity, G is given by: G = 1/ = -1 m -1 = S (Siemens)
Building a House Out of Minerals A roof is a barrier to snow and rain. What mineral is used in clay singles to cover the plywood sheets on the roof? ___________________.
Classification of Minerals Possibilities?. Chemical composition Gold, Silver, Sulfur Native elements Au, Ag, S Sulfides Pyrite, Galena FeS, PbS Hematite,
MINERALS TYvye0CVbU0.
Objectives… To use LED lights to… – Understand how light is produced – Understand how LED lights work – Calculate wavelengths of light – Calculate frequencies.
