Certified Energy Manager (CEM)

What is the primary difference between kW and kWh?

kW is for AC power only; kWh is for DC power only kW measures power capacity; kWh measures energy consumption over time kW measures voltage; kWh measures current kW is used for residential; kWh is used for commercial billing

Correct Answer:

kW measures power capacity; kWh measures energy consumption over time

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