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May 24, 2015

Homework Help: Math

Posted by Shirley on Saturday, February 23, 2008 at 7:02pm.

The equation P=240I-8I^2 represents the power, P, (in watts) of a 240 volt circuit with a resistance of 8 ohms when a current of I amperes is passing through the circuit.

Find the maximum power (in watts)that can be delivered in this circuit.


I have trouble to find the maximum power,please help! THANKS A LOT!

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