Physics, asked by afsanabegum178, 1 year ago

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

Answers

Answered by alishastanley2010
2

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
alishastanley2010: by the way what is your name'
afsanabegum178: sara
alishastanley2010: mine is alan
alishastanley2010: Alan
afsanabegum178: ohh
alishastanley2010: on your profile
afsanabegum178: what
alishastanley2010: sorry i accidentally wrote it
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