Question 13016 of 844 · Washington 01 Journey Level Electrician Exam
A 5 kW resistance heater runs 8 hours per day. At $0.12 per kWh, what does one day of operation cost?
Exactly one answer is correct.
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Correct answer to question 13016
- D: $4.80
Explanation
Energy is 5 kW x 8 h = 40 kWh, and 40 kWh x $0.12 = $4.80. The answer $40.00 confuses kWh with dollars.
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