Engineering, 09.04.2020 18:20 bbjsmommy2014
An inventor claims to have developed a resistance heater that supplies 1.2 kWh of energy to a room for each kWh of electricity it consumes. Is this a reasonable claim, or is it true that the inventor has developed a perpetual-motion machine
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An inventor claims to have developed a resistance heater that supplies 1.2 kWh of energy to a room f...
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