Three point charges are placed at the corners of an equilateral triangle. Assuming only electrostatic forces are acting,which of the following statements is true?
- AThe system can never be in equilibrium.
- BThe system will be in equilibrium if the charges rotate about the centre of the triangle.
- CThe system will be in equilibrium if the charges have different magnitudes and different signs.
- DThe system will be in equilibrium if the charges have the same magnitudes but different signs.
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