Question

An electric from iron used for ironing clothes is marked 400W and 220V. What is the resistance when iron is hot ¿ how long cauld be used for three rupees if electrical energy cost is parse a unit
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Answer 1

Answer:

Irons are guzzle electricity to heat up but use less electricity to stay hot. Your iron probably uses around 0.6 units of electricity (or around 10p) for every hour you use it