Electrical mathQuestion 1377 of 1506

A 6 kW heater runs 6 hours each day for 10 days. Energy costs 12 cents per kWh. What is the total cost?

$432.00
$43.20
$7.20
$4.32

Show answer

Correct answer: $43.20

Energy = 6 × 6 × 10 = 360 kWh. Cost = 360 kWh × $0.12 = $43.20.

Source: Computed, 12.3: Power Measurement

Questions last reviewed: 18 October 2026

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