Power Flashcards by Supna Kerai

Q

What is power?

A

The rate at which energy is transferred

It is also the rate at which work is done

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Q

What are the 2 word equations for power?

A

Power=energy transferred
——————
Time

Power= work done
———-
Time

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Q

What are the symbol equations for power?

A

P = E
–
t

P = W
–
t

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Q

What is the equation for electrical power?

A

Power = potential difference (voltage) x current

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Q

What is the symbol equation for power?

A

P = V x I

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Q

What is the unit for power?

A

Watts

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