An alternating current generator has an internal resistance \( \mat...

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An alternating current generator has an internal resistance \( \mathrm{Rg} \) and an internal reactance \( \mathrm{Xg} \). It is used to supply power to a
\( \mathrm{P} \) passive load consisting of a resistance \( \mathrm{Rg} \) and a reactance \( X_{L} \). For

W maximum power to be delivered from the generator to the load, the value of \( X_{L} \) is equal to
(a) zero.
(b) \( X_{g} \).
(c) \( -X_{g} \).
(d) \( R_{g}{ }^{\prime} \)
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