an bulb is marked 100W,230V. what is the energy produced by the bulb in 20 minutes when operated at 230 ?"
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VI = 100
I =100/230=10/23
Energy consumed / second = 115xl =115x10/23=50js
20 min= 20x60
Energy consumed. If the v is 115v
50x20x60=60000 energy consumed per second
I =100/230=10/23
Energy consumed / second = 115xl =115x10/23=50js
20 min= 20x60
Energy consumed. If the v is 115v
50x20x60=60000 energy consumed per second
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