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05-03-2015
Physics

Answered

A light bulb is left on for an hour and has a power of 0.1KW. How much did it cost?

Answer :

05-03-2015

(0.1 KW) x (1 hour) = 1.0 kWh of energy

Cost =
(1.0) x (cost of 1 kWh from that utility company in that neighborhood).

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