Question

# Three charges are placed at equal distances on a straight line. If the total potential energy of the system of three charges is zero, then the ratio is :

A
B
C
D
Medium

## Solution

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Correct option is D)

## Let the charges be placed as shown in the figure.The potential energy of the system is given by Here, denote the three charges in order respectively.Let Then, , and Thus, the potential energy of the system is But, given that

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