The formula for the power output of a battery is where is the electromotive force in
Chapter 3, Problem 61(choose chapter or problem)
Power The formula for the power output P of a battery is \(P=V I-R I^{2}\), where V is the electromotive force in volts, R is the resistance in ohms, and I is the current in amperes. Find the current that corresponds to a maximum value of P in a battery for which V = 12 volts and R = 0.5 ohm. Assume that a 15 -ampere fuse bounds the output in the interval \(0 \leq I \leq 15\). Could the power output be increased by replacing the 15-ampere fuse with a 20-ampere fuse? Explain.
Text Transcription:
P=VI-RI^2
0 <= I <= 15
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