Charge Q making the potential energy of q, 2q and Q at an equilateral triangle zero

1. A.
   $Q = -\frac{2q}{3}$
2. B.
   $Q = -\frac{1}{3}q$
3. C.
   $Q = \frac{3q}{2}$
4. D.
   $Q = \frac{q}{2}$

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1. A.
   $q = \frac{1}{3}Q$
2. B.
   $q = \frac{2}{3}Q$
3. C.
   $q = - \frac{2}{3}Q$
4. D.
   $q = - \frac{3}{2}Q$

Tap an option to check your answer.

1. A.
   $-\dfrac{q}{3}$
2. B.
   $\dfrac{-2q}{3}$
3. C.
   $\dfrac{q}{2}$
4. D.
   $\dfrac{3q}{2}$

Tap an option to check your answer.