A generator is on daily use and in the process, ten 60 W and five 40 W tungsten bulbs are on for the same time interval. the energy consumed daily is?
-
A.
0.96 kWh -
B.
19.2 kWh -
C.
9.60 kWh -
D.
19.20 kWh
Correct Answer: Option B
Explanation
Energy consumed = power x time
= (60 W x 10 + 40 W x 5) x 24 h
= (600 W + 200 W ) x 24 h
= 800 W x 24h = 19200 w h
= 19.2 kWh