Question

# Two particle of equal mass and charge are placed at a distance of . They do not experience any force. The value of is :

A
B
C
D
Hard
Solution
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Correct option is D)

## Applying Coulomb's law,                 Applying Newton's law of universal gravitation,Since net force experienced by the particle is zero, therefore electrostatic force and gravitational force would be equal.From and Hence Option D is correct

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