For an ideal dipole

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

Problem

For an ideal dipole, point

P

is located at

r_1=0.10\,\text{m}

making an angle

\theta_1=30^{\circ}

with the dipole axis, and point

Q

is at

r_2=0.20\,\text{m}

with

\theta_2=60^{\circ}

. What is the ratio

\dfrac{V_P}{V_Q}

of the electric potentials at

P

and

Q

? (a)

3.5

(b)

14

(c)

7

(d)

2.3