Science, asked by royalegamers007, 3 months ago

if a bulb of power 20W glows for a hour what will be the total electricity used

Answers

Answered by dubeypratima1976

0

Answer:

Power=energy/time

Power=Electricity(form of energy)(j)/time(s)

20w =Electricity/1 hour(3600 s)

20W×3600s= Electricity

72000j =Electricity

OR

20W=Electricity/1 hour

20W×1 hour=Electricity

20Wh=Electricity

.02kWh=Electricity

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