Field Strains emanating from a optimistic demand earlier mentioned a airplane conductor An electric area frequently varies in space,[b] and its strength at Anyone point is described as the force (per device demand) that would be felt by a stationary, negligible demand if put at that point.[twenty five]: 469–70 The https://andrevvqdi.wikijournalist.com/105687/an_unbiased_view_of_electric_cars