February 28, 2017

Homework Help: science-physics

Posted by Michael on Friday, November 20, 2009 at 6:44am.

An electric heater draws a a current of 10A from a 220 V supply .What is the cost of using the heater for 5 hours everyday for 30 dats if the cost of 1 unit (1 kWh)is 60 paise(indian currency)

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