Calculate the electric potential at a distance of 20.0cm from a point charge of 0.015C placed in air of permittivity (Take 1/4πεo as 9.0 x 109 Nm2C2)

Calculate the electric potential at a distance of 20.0cm from a point charge of 0.015C placed in air of permittivity (Take 1/4πε_o as 9.0 x 10⁹ Nm²C²)

A 3.40x10⁶V
B 6.75x10⁵V
C 6.75x10¹²V
D 3.40x10⁵V
E 8.30 x 10²V

waec 1995 physics

The correct answer is B. 6.75x10⁵V

No explanation given

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