– 3 muC and -3 muC are kept at the vertices A

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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 ?
28
Oct
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 [...]
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