Please answer this physics question im desperate!! 25 points and brainliest!!
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Answer:
electric resistance is the 100% efficiency of the electric heater
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Explanation:
Electric heaters are all considered to be 100% efficient, because they turn all the electricity they use into heat, but this does not mean they are cheap to run. To calculate the running cost you need to look at the power rating of the heater, shown in kilowatts (kW).
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