Engineering Board Exam Reviewer · Thermodynamics · medium
A 2 kW electric heater operates for how long to consume 1 kWh of energy?
- 30 min
- 2 h
- 120 min
- 15 min
Answer
A. 30 min
Solution
t = E/P = 1 kWh / 2 kW = 0.5 h = 30 min.
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