Power dissipated in a resistor by Joule's law (given voltage and resistance)

Formula

Power dissipated in a resistor by Joule's law (given voltage and resistance) formula
P
power dissipated in a resistor
V
voltage, electrical potential difference or electric tension
R
electrical resistance

Formula description

Joule's first law states that the rate of heat dissipation in a resistive conductor is proportional to the square of the current through it and to its resistance.

Calculator (how to use calculator?)

Power dissipated in a resistor by Joule's law (given voltage and resistance) formula
V
R
P
Precision

Formula code

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References

  1. wikipedia: Joule's laws.

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