A short electric dipole has a dipole moment of

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

16 \times 10^{-9}\,\text{C m}

. The electric potential due to the dipole at a point at a distance of

0.6\,\text{m}

from the centre of the dipole, situated on a line making an angle of

60^\circ

with the dipole axis is:

\left(\frac{1}{4\pi\epsilon_0} = 9 \times 10^9\,\text{N m}^2/\text{C}^2\right)

(a)

200\,\text{V}

(b)

400\,\text{V}

50\,\text{V}