∇V(V/cm) m σ0 R2
6 0.0076 0.147 0.9992
8 0.0075 0.179 0.9972
10 0.0076 0.178 0.9771
12 0.0077 0.162 0.9916
14 0.0081 0.159 0.9868
General 0.0077 0.165 0.9917
Table 1: The constants and coefficients of electrical conductivity–temperature relationships of tomato heated ohmically at different voltage gradients.