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04/08/2021 10:37 am
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An electrical appliance is rated 1500 W, 250 V. This appliance is connected to 250 V mains. Calculate :
(i) The current drawn
(ii) The electrical energy consumed in 60 hours
(iii) The cost of electrical energy consumed at Rs. 2.50/kWh.
1 Answer
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04/08/2021 10:43 am
(i) Electric current drawn
We have,
W = 1500, Voltage v = 250
Current, I = \(\frac{W}{V}\)
= \(\frac{1500}{250}\)
= 6 amperes.
(ii) Energy consumed, E = Power x time
= 1500 x 60
= 9000
(iii) Cost of energy consumed
= 90 x 2.50
= Rs 225