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Gwar [14]
3 years ago
9

What is the current in a 75 W light bulb that is plugged into 120 V household outlet?

Physics
2 answers:
Iteru [2.4K]3 years ago
8 0

Power = (voltage) x (current)

Divide each side by (voltage):  

               Current = (power) / (voltage)

                         I  =     (75) / 120  =<em>  0.625 Amperes</em> = 625 mA  


Gwar [14]3 years ago
8 0
<span> P=VI
</span>75=240*I
L=75 / 240
I rms =0.3125 A
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