Question: Four charges (two +9A two-9) are kept fixed at the four vertices of a square of side 'a' as shown q -q a &

Four charges (two +9A two-9) are kept fixed at the four vertices

Four charges (two +9A two-9) are kept fixed at the four vertices of a square of side 'a' as shown q -q a & -q q At the point P which is at a distance (R>>a), Polenhal is proportional to: as //R b) // Ro R3 d> YR4 the

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