Engineering Board Exam Reviewer · Physics · medium

A 1.5 kW air conditioner runs 4 hours a day for 30 days. At ₱11 per kWh, what is the monthly cost?

  1. ₱66.00
  2. ₱1980.00
  3. ₱19800.00
  4. ₱495.00

Answer

B. ₱1980.00

Solution

Energy = 1.5(4)(30) = 180 kWh. Cost = 180(11) = ₱1980.00.

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