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Papessa [141]
3 years ago
6

Power is calculated by multiplying voltage by

Physics
1 answer:
Snowcat [4.5K]3 years ago
4 0

Answer:

Power is calculated by multiplying voltage by current.

Explanation:

If you're calculating the power of an athlete who is lifting weights,

or the power of a windmill that is pumping water from a well, or

the power of two horses turning millstones, then those electrical

units won't help at all.

But if you happen to be calculating the power delivered to an

electrical circuit or dissipated by an electrical device, then you

can use ...

               (voltage) times (current)

or

               (voltage)² divided by (resistance)

or

               (current)² times (resistance) .

The choice just depends on which quantities you know

or can easily measure.  

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