In a plasma, for a short time, the electric field is well described by the function
where C is a constant. This field arises from both charges and from changing magnetic fields, so we cannot assume that there is a well-defined potential function for E .
around the loop shown at the right for the given electric field by doing the line integrals explicitly.
(b) If we were to carry a charge, q , around the loop shown in the direction shown, what would be the work done by the electric field on the charge?
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Last revision 17. October, 2005.