Energy consumption multiple choice questions with brief explanatory answers.
A 150 W will consume how much energy when switched on for 5 hours
A 150 W will consume how much energy when switched on for 5 hours:
- 0.25 kWh
- 0.5 kWh
- 1 kWh
- 10 kWh
Solution:
Energy consumption
= kW rating * time in hours
= (150/1000) * (5)
= (0.15) * (5) = 0.75 kWh