Physics — Resistance & Resistivity
Resistance from geometry and temperature.
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R = \frac{\rho L}{A}
\rho = \frac{RA}{L}
G = \frac{1}{R}
R_T = R_0(1 + \alpha\,\Delta T)
Resistance from geometry and temperature.
R = \frac{\rho L}{A}
\rho = \frac{RA}{L}
G = \frac{1}{R}
R_T = R_0(1 + \alpha\,\Delta T)