9.11 Paying for electricity Flashcards

1
Q

Equation for work done

A

W = Pt

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2
Q

What is the kilowatt-hour (kWh)?

A

The energy transferred by a device with a power of 1kW operating for one hour.

1kWh = 3.6MJ

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3
Q

What are the typical costs per kWh?

A

6-15p

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