Electrical Energy And Power Flashcards

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0
Q

What is 1 watt equivalent to

A

1 joule per second

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1
Q

What is power

A

The rate of transfer of energy

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2
Q

What is the simple formula for power in electrical circuits

A

P=VI

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3
Q

What is the equation that shows power is the rate of transfer of energy

A

P=E/t

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4
Q

We know that P=VI and V=IR, so what can we do with the two equations

A

Combine them to form 3 other ones
P=VI
P=V^2/R
P=I^2R

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