The vector = at(xj-y), = a (x + y) where 'a' is a constant and 't' is time. The electric 6 field (E) and magnetic field (B) corresponding to these potentials are, respectively a[(x+y)+(x-y)]], atk Oa[(x-y)i + (x+y)i]. at k 0-12a [xi+y], at k -1-a[(x+y)+(xy)], at k