An electric heater draws a current of 10A from a 220V supply. What is the cost of using the heater for 5 Hours everyday for 30 Days,if the cost of 1 unit(1 kWh) is rupees 5.20?
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I = 10A
V = 220V
t = 5 Hours
we know power = VI
= 10 × 220
= 2200 W
energy used in 30 days = 2200 × 5 × 30
= 330000 Wh
= 330 kWh
total cost in 30 days = 330 × 5.20
= Rs 1716
V = 220V
t = 5 Hours
we know power = VI
= 10 × 220
= 2200 W
energy used in 30 days = 2200 × 5 × 30
= 330000 Wh
= 330 kWh
total cost in 30 days = 330 × 5.20
= Rs 1716
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