The Formula for the Power Output of Battery Is

question 61

Multiple Choice

The formula for the power output of battery is where V is the electromotive force in volts, R is the resistance, and I is the current. Find the current (measured in amperes) that corresponds to a maximum value of P in a battery for which volts and ohm. Assume that a 20-ampere fuse bounds the output in the interval . Round your answer to two decimal places.

• A)81.67 amperes
• B)13,338.89 amperes
• C)40.00 amperes
• D)268.00 amperes
• E)2.00 amperes

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