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Damm [24]
3 years ago
6

There are 3.3V passing through an orange power supply cable, and there are 0.025 ohms of resistance in the orange wire. How much

power is supplied to the orange wire by the power supply?
Physics
1 answer:
PIT_PIT [208]3 years ago
5 0
P = V^2 / R.

So, 3.3^2 / 0.025 = 435.6W.

Note, you can get the power equation from:
P = V*I. Also, I = V/R.
Substituting V/R in for I in the 1st equation, you get P = V^2 / R.
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