SOLUTION: The power P, in watts, supplied to a circuit by a battery is given by the formula P=6I-0.5I^2, where I is the current in amperes. What is the approximate instantaneous rate of chan
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Question 171377: The power P, in watts, supplied to a circuit by a battery is given by the formula P=6I-0.5I^2, where I is the current in amperes. What is the approximate instantaneous rate of change of power when the current is 4 amperes?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The power P, in watts, supplied to a circuit by a battery is given by the formula P=6I-0.5I^2, where I is the current in amperes. What is the approximate instantaneous rate of change of power when the current is 4 amperes?
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P=6I-0.5I^2
dP/dI = 6 - I
@I = 4, dP/dI = 2 Watts/Amp
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