Conductors and dielectrics in electric fields Geological exploration...

Conductors and dielectrics in electric fields

Geological exploration Determine the field at position A in Figure P15.46 due to the dipole charges produced by a geologist’s electrodes. The dielectric constant of the soil is 8.0 and the dipole charge q = 4.0 x 10^-3 C. Determine the force exerted by this field on a sodium ion (charge +e) at position A.