Q.
Three point charges are placed at the corners of an equilateral triangle. Assuming only electrostatic forces are acting
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a
The system can never be in equilibrium
b
The system will be in equilibrium if the charges rotate about the centre of the triangle
c
The system will be in equilibrium if the charges have different magnitudes and different signs
d
The system will be in equilibrium if the charges have the same magnitudes but different signs
answer is A.
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Detailed Solution
Net force cant be zero due to three charges.
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