A refrigerator uses 150W. If it is kept on for 336 hours nonstop. What is the energy consumed in Kwh?
A
60.20Kwh
B
25.01Kwh
C
50.40Kwh
D
30.20Kwh
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
C. 50.40Kwh
Convert power to kW (150 W = 0.15 kW), then multiply by time in hours: energy = 0.15 kW × 336 h = 50.4 kWh.
Source: WAEC / JAMB / NECO Classroom Archive (Record #74555)