Three charges are arranged on the vertices of an equilateral triangle. Find the dipole moment of the combination.
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → $\sqrt{3} qd$
$\left|\vec P_{net}\right|=2×(qd)\cos 30°$
$=2×qd×\frac{\sqrt{3}}{2}$
$=\sqrt{3}qd$