An electric heater of 2000w is used everyday for 90 mins.calculate the units of electrical energy this heater will consume in 24 days.also find the cost of electricity consumed at the rate of rs3/kwh
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Explanation:
90min=1.5hour
total time=24×1.5=36hours
power consumption of heater=2000w or 2kw
energy consumption =2×36=72kwh
rate=3rs/kWh
cost=3×72=216rs
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