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Question

# Three point charges are placed at the corners of an equilateral triangle. Assuming only electrostatic force are acting

A
if the charges have different magnitudes and different signs, the system will be equilibrium
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B
the system will be in equilibrium if the charges have the same magnitudes but different signs.
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C
the system can never be in equilibrium
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D
the system will be in equilibrium if the charges rotate about the centre of the triangle.
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Solution

## The correct option is C the system can never be in equilibriumThree point charges are placed at the corners of an equilateral triangle.The system can never be equilibrium because three charges do not cancel out each other with Colombian force.

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