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What power is supplied to the starter motor of a large truck that draws 250 A of current from a 24.0-V battery hookup?
Question by OpenStax is licensed under CC BY 4.0.
Final Answer

$6.0 \textrm{kW}$

Solution Video

OpenStax College Physics Solution, Chapter 20, Problem 41 (Problems & Exercises) (0:16)

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Video Transcript

This is College Physics Answers with Shaun Dychko. The power supply to the starter motor is the current multiplied by the voltage. So it’s 250 Amps we’re told, multiply by 24 Volts, which is a power of 6.0 kilowatts.