If a 2,000-watt device runs for 3 hours, energy consumed equals how many kilowatt-hours?

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Prepare for the ASVAB Electronics section with multiple-choice questions and detailed explanations. Boost your confidence and ace the exam with comprehensive study tools!

Multiple Choice

If a 2,000-watt device runs for 3 hours, energy consumed equals how many kilowatt-hours?

Explanation:
Energy used equals power times time. A 2000-watt device is 2 kilowatts, and running for 3 hours gives 2 kW × 3 h = 6 kWh. So the energy consumed is 6 kilowatt-hours (since 2000 W × 3 h = 6000 Wh = 6 kWh).

Energy used equals power times time. A 2000-watt device is 2 kilowatts, and running for 3 hours gives 2 kW × 3 h = 6 kWh. So the energy consumed is 6 kilowatt-hours (since 2000 W × 3 h = 6000 Wh = 6 kWh).

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