Which of the following are true about equipotential lines and electric field lines (i) Equipotential lines are perpendicular to the electric field lines (ii) Equipotential lines are parallel to the electric field lines (iii) Electric field is a vector (iv) Different equipotential lines can intersect Group of answer choices (ii) only (i) only (i), (ii) and (iv) none of the other answers (i) and (iii) (ii) and (iv)