Define the SI unit of power.An electric bulb of 100W is used for 2hrs per day and five 60W tubes are lighted for 4hrs per day in Johhny's house.Calculate the energy consumed in the month of January and also find the cost of Electricity consume @ Rs 3 per KWH....
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the SI unit of power is watt.
total energy consumption = total power × no.of appliances × time / 1000
=> 100×2×5×60×4/1000
=> 240 KWH
electricity consumption = 240 × 31×3
=> 22320 rupees.
total energy consumption = total power × no.of appliances × time / 1000
=> 100×2×5×60×4/1000
=> 240 KWH
electricity consumption = 240 × 31×3
=> 22320 rupees.
IbaBsr:
Yah thanks
it came in my exams
no problem...
and sadly i couldn't have answred it...
anyways thanks A LOT !
it's ok dude... you can ask me if u have any problem
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