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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Three point charges of +2 muC , – 3 muC and -3 muC are kept at the vertices A, B and C respectively of an equilateral triangle of side 20 cm as shown in the figure. what should be the sign and magnitude of the charge q to be placed at the mid point M of side BC so that the charge at A remains in equilibrium ?

Three point charges of +2 muC , – 3 muC and -3 muC are kept at the vertices A, B and C respectively of an equilateral triangle of side 20 cm as shown in the figure. what should be the sign and magnitude of the charge q to be placed at the mid point M of side BC so that the charge at A remains in equilibrium ?

- 3 muC and -3 muC are kept at the vertices A A particle of mass m carrying a charge -q1 starts moving around a fixed charge q2 along a circular path of radius r . Find the time period of revolution T of charge -q1. Three point charges of +2 muC