an equation of σ that links conductivity, length, cross sectional area and Resistance can anyone help?
an equation of σ that links conductivity, length, cross sectional area and Resistance can anyone help?
does anyone know the equation
length -L
cross sectional area - A
resistence - R
conductivity- σ
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most probably it is as follows:
R = resistivity x L / A = 1/ conductivity x L/A = L / conductitvityxA Ohm