A source with emf e and internal resistance r is connected to an external circuit. (a) Show
Question:
(a) Show that the power output of the source is maximum when the current in the circuit is one-half the short circuit current of the source.
(b) If the external circuit consists of a resistance R, show that the power output is maximum when R = r and that the maximum power is E2/4r.
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IDENTIFY The power output of the source is VI EII SET UP The shortcircuit current is Ish...View the full answer
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Related Book For 
Physics for Scientists and Engineers A Strategic Approach with Modern Physics
ISBN: 978-0133942651
4th edition
Authors: Randall D. Knight
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