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1 vote
1 answer
41 views

Confusion about EM waves in a conductor, AC in wires, and skin effect

I am trying to get my head around these different points: From Maxwell's equations we find that an electromagnetic wave in a conductor decays in amplitude with a characteristic length of about 1 cm in ...
4 votes
3 answers
306 views

Why do we use wires/conductors to transport energy?

I am currently studying Maxwell equations and I learned that copper wires are essentially just wave guides for EM waves. Why do we not use an insulator to guide the wave and transport the energy which ...
1 vote
0 answers
35 views

Is EM radiation released when metals, that have free electrons, are accelerated? [duplicate]

I have read that charged particles, when accelerated, emit Electromagnetic Radiation. This was the basis for rejection of the Rutherford's atomic model. But is this statement complete? Metals have ...
2 votes
1 answer
2k views

Skin Effect Explanation

I do not understand some things about the Skin Effect. Its Wikipedia definition is: Skin effect is the tendency of an alternating electric current (AC) to become distributed within a conductor ...