Which costs more, running a 1,200-W hair dryer for 5 min or leaving a 60-W lamp on
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Which costs more, running a 1,200-W hair dryer for 5 min or leaving a 60-W lamp on overnight (10 h)?
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Give that Casei A hair dryer consume power p 1200 watt or 12 kw ...View the full answer
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