An electric iron is rated 220 V, 2 kW. (2018)
If the iron is used for 3h daily find the cost of
running it for one week if it costs 4.25 per kWh.
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Answer:
cost =178.5 rupees
Explanation:
Energy(KWh)= power(kW) ×time
=2×3
=6 units daily
for 1 week =6×7
=42 units
cost = 42×4.25=178.5rupees
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