Answer:
Explanation:
Given
Power consumption of bulb and water are and
If the Devices are on for four hours
Total power of devices
Energy consumed for 4 hours is
For 30 days it is
Cost for 30 days
204kW
P = t x ω = 500 x (2πx3900/60) = 204203W = 204kW
i think its B)... im not sure so dont take it seriously
a
hI I