JAMB - Physics (2025 - No. 76)
A refrigerator uses 150W. If it is kept on for 336 hours nonstop. What is the energy consumed in Kwh?
60.20Kwh
25.01Kwh
50.40Kwh
30.20Kwh
解释
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.