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## Main Question or Discussion Point

the equation P = (E

We say that when R=r , P = E

But if I say R→∞ , then r→0 and then P = E

So, shouldn't power be maximum for max R ????

^{2}R) / [(R-r)^{2}+ 4Rr]We say that when R=r , P = E

^{2}/4R which is said to be maximum..But if I say R→∞ , then r→0 and then P = E

^{2}/R which is greater..So, shouldn't power be maximum for max R ????