The charge of uniform density 50 nC/m^3 is distributed all through within of a long non-conducting cylindrical rod of radius 5.0 cm. Find out the magnitude of the potential difference of point A (2.0 cm from the axis of the rod) and point B (4.0 cm from the axis).
i) 2.7 V
ii) 2.0 V
iii) 2.4 V
iv) 1.7 V
v) 3.4 V