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Network Theorems (AC Circuits)D C Kulshreshtha
Maximum Power Transfer Theorem for AC CircuitsNext
The power delivered to the load isPhasor current and voltage are where Next
A little forethought saves us some workA little forethought saves us some work. (XTh + XL) absorbs no power; any nonzero value only reduces PL. Hence we can put XL = - XTh, so as to get Next
This expression, we have already maximized for purely resistive case, by selecting RL = RTh. Hence, we must have Next
Exercise Show that if the load is purely resistive in an ac circuit, the condition for maximum power transfer is Next
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