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Results tagged with energy-efficiency
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user 1781
The percentage ratio of energy produced to energy supplied to a system; or a measure of minimum energy required relative to energy actually consumed; or a measure of relative energy consumed to provide the same energy service.
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Do switchable sockets left "on" use electricity if there's nothing plugged in?
My flat is fitted with switchable sockets as per below:
Please settle an argument a friend and I are having: if a socket is switched "on", is it wasting electricity if nothing is actually plugged i …
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