|Apr1-11, 05:26 AM||#1|
1. The problem statement, all variables and given/known data
Consider a long resistive rod exhibiting resistance R of length l and radius r. Calculate the magnitude and direction of the poynting vector (neglecting edge effects) and relate the rate of energy transfoer between the rod and its exterior to the total power dissipated in the rod.
2. Relevant equations
N = 1/mu 0 ExB
3. The attempt at a solution
Just not sure how to do this?
Do i assume a current I flows in the rod and find E(r) inside the rod and B(r) inside the rod? Im confused...
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