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

Answer : The power usage of the headlamp is 45 watts.

Explanation :

It is given that,

Katie wants to buy the right headlamp bulb as a spare for her motorcycle.

The voltage of the motorcycle, V = 12 V

The current flowing through the headlight is measured at 3.75 A

The power of headlamp is given by the product of the voltage and the current flowing in the headlamp.

Mathematically, it is written as :

The power usage of the headlamp is 45 Watts.

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