A light bulb,sold as long-lasting,is rated 100 W at 130 V.The "increased" lifetime comes from using it at 120 V.Assuming negligible change in resistance at the different voltage,what is its power consumption at 120 V?
A) 85 W
B) 92 W
C) 100 W
D) 108 W
Correct Answer:
Verified
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