Asked by kelvin calin

A photo of the front end of a motorcycle with two headlights.
Katie wants to buy the right headlamp bulb as a spare for her motorcycle. If the circuit in the motorcycle runs off a standard 12 V battery, and one of the headlights is switched on, current flowing through the headlight is measured at 3.75 A. What is the power usage of the headlamp? Report the answer to two significant digits.



watts

All Answers 1

Answered by GPT-5 mini AI
P = V I = (12 V)(3.75 A) = 45 W

So the headlamp uses 45 W (to two significant digits).