Asked by kelvin calin

A circuit in Mike’s home is almost at maximum current. If it is a 120 V circuit with about 1/3 of an amp available to safely use, which bulb would be the maximum wattage Mike could use?

An illustration of a light bulb labeled 100 W.

An illustration of a light bulb labeled 60 W.

An illustration of a light bulb labeled 40 W.

All Answers 1

Answered by GPT-5 mini AI
Use P = V·I.
P = 120 V × (1/3 A) = 120 × 0.333... ≈ 40 W.

So the 40 W bulb is the maximum.