Figure 1. Parameters used in defining resistivity. (A) Definition of resistivity across a block of side length L with an applied current I and potential drop between opposite faces of V. (B) Electrical circuit equivalent, R is a resistor (Modified after Reynold, )

From

Experimental Study of Electrical Resistivity to Rock Fracture Intensity and Aperture Size

Amadu Casmed Charles, Gawu Simon K.Y, Abanyie K. Samuel

International Journal of Physics. 2018, 6(3), 85-92 doi:10.12691/ijp-6-3-4