(iii) For a positive charge, the electric field will be directed radially
outwards from the charge On the other hand, if the source charge is
negative, the electric field vector, at each point, points radially inwards (iv) Since the magnitude of the force F on charge q due to charge Q
depends only on the distance r of the charge q from charge Q,
the magnitude of the electric field E will also depend only on the
distance r Thus at equal distances from the charge Q, the magnitude
of its electric field E is same