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5 votes
3 answers
7k views

Electric Potential Energy of a charged conductor

My physics textbook asks (I translate): A sphere of copper with a radius of 0.72 metres is charged with a Potential of 270,000 Volt. Find its charge and the electric energy it holds. I found the ...
Pregunto's user avatar
  • 559
0 votes
1 answer
971 views

Energy of a system of conductors

Electrostatic potential and charges on conductors that are closed to each other can be put in relation with the capacitance matrix . Can the energy of the system of two (or more) conductors be ...
Sørën's user avatar
  • 2,617