An electric bulb of 'P' watt is lighted for 'n' hrs everyday. How many units of electrical energy are consumed by this bulb in one day?
power is given as energy/time. so,
energy = power X time
so,
E = PXn
is consumed everyday.
In a house two 60 Watt bulbs are lighted for 4 hours, and three 100 watt bulbs for 5 hours everyday. calculate the electric energy consumed in 30 days.
plz tell me that 30 days will be changed to hour or not
plz tell me why 30 days will not be changed to hour
Don't solve fuul ans but tell me then why u hve answered in kwh