A refrigerator uses 150W. If it is kept on for 336 hours non-stop, what is the energy consumed in KWh?
A
60.20KWh
B
50.40KWh
C
25.01KWh
D
30.20KWh
Verified Correct Answer: B.
Physical Principles & Numerical Solution
Power = \(\frac{\text{Energy consumed}}{\text{time}}\)
150W → 0.150KW, time = 336hrs.
Energy consumed in KWh = 0.150 x 336 = 50.40KWh
Source: WAEC / JAMB / NECO Classroom Archive (Record #70431)