SEARCH Articles Figures Tables Alternating fields Alternative frequencies An alternative Electric field frequency Electric frequency Electric-field Dependence Electrical frequencies Electrical polarity Field dependence Field polarity Frequency Dependencies Frequency dependence Frequency of the electric field Frequency-dependent electric-field Polarity dependent Polarity-dependent polarization Polarization dependence Polarization dependency Polarization electric Polarization electric field dependence Polarization field Polarizing field The Alternatives The electric field