A semicircular ring of radius is uniformly charged with a total charge of

PHYSICS · Single correct · CBSE · Physics · Electrostatic Potential and Capacitance · Electrostatic Potential and Capacitance

Problem

A semicircular ring of radius

0.5\ \text{m}

is uniformly charged with a total charge of

1.5\times10^{-9}\ \text{C}

. The electric potential at the centre of the ring is: (a)

27\ \text{V}

(b)

13.5\ \text{V}

(c)

54\ \text{V}

(d)

45.5\ \text{V}