Find the minimum potential (relative to infinity) for an isolated, charged, metal sphere (with diameter as given in the introduction) such that it will create a spark. Assume the dielectric strength of the gas/air mixture surrounding the sphere is 3 MV/m.

Can you match these to the correct definition

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.

Which of the following is the best name for mgcl2