If a light bulb has half the resistance of a 100-w lightbulb what would be its wattage? Assume both bulbs are attached to the same 120-v circuit.

Asked by bookragstutor on 20 Aug 09:51

Last updated by Jill W on 23 Jan 11:30

Answered by Jill W on 23 Jan 11:30

Using the formula P = V^2/R, the power consumed by the first bulb can be calculated as P = 120^2/72 = 200 watts.