Two charges q and 3q are fixed on xaxis separated by distance d. Where should a third charge 2q be placed from A such that it will not experience any force?
Consider the charges q, q and q placed at the vertices of an equilateral triangle of each side l. The sum of forces acting on each charge is
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A charge Q is placed at the centre of the line joining two point charges +q and +q as shown in figure. The ratio of charges Q and q is
Four point charges are placed at the corners of a square ABCD of side 10 cm, as shown in figure. The force on a charge of 1μC placed at the centre of square is
Three charges of equal magnitude q is placed at the vertices of an equilateral triangle of side l.The force on charge Q placed at the centroid of the triangle is
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