Engineering Board Exam Reviewer · Energy and Power · medium
A 1500 W heater runs 4 hours a day for 30 days. At P11.50 per kWh, what is the cost?
- P518
- P2,070
- P4,140
- P207
Answer
B. P2,070
Solution
Energy =Pt=1.5 kW×4 h×30=180 kWh. Cost =180×11.50=P2,070.
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