Problem: Air is capable of supporting an electric field of about 3 x 106 N/C before a spark occurs. Make reasonable assumptions concerning the physical dimensions for a coax cable like one that might connect to a TV.
Part A: What would be the maximum static charge density you could put onto that cable if air separated the conductors? (An estimation/the rough order of magnitude)
I need help to find the maximum static charge density you could put onto that cable.