Question

Three equal charges of 10*10^-8 C respectively each located at corner of right angled A whose sides are 15cm, 20cm and 25cm find the force exerted on the charge located at 90degree angle​

Answer 1

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Ratio of the sides of the two figures (fig 2:fig 1) = 2:1

Ratio of the areas of the two figures (fig 2:fig 1) = 3:1

Ratio of the perimeter of the two figures (fig 2:fig 1) = 2:1