In a household circuit an electric bulb of 100 volt is used for 10 hours and an electric heater of 1000volt for 2 hours everyday calculate the cost of using the bulb and the heater for 30 days if the cost of 1 unit is 2 rs
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Answer:
Explanation:
energy consumed by 1 electric bulb=P*t=100*10=1000wh=1kWh
therefore in 30 days 30 kWh.
energy consumed by 1 electric heater=P*t=1000*2=2000wh=2kWh
therefore in 30 days 60 kWh.
1kWh=rs2
therefore 30kWh=rs60
and
60kWh=rs120
total=RS180
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alishastanley2010:
yeah first was wrong this ones correct
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