Conductors

Discussion

introduction

Static charge moves to the outside. This sounds stupid, "static charge moves".

Field is zero on the inside.

Field perpendicular to surface.

Charge collects at points. This leads to a phenomena known as corona discharge. "Corona" from the latin word for crown.

Corona discharge from a wire.

Corona discharge is a useful way to passively eliminate charge.


Lightning rods on an Airplane Wing.

Lightning rods on an Electric Power Substation

text