A combination of capacitors is set up as shown in the figure. The magnitude of the electric field due to a point charge Q(having a charge equal to the sum of the charges on the 4μF and 9μF capacitors), at a point distance 30m from it, would equal :
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A combination of capacitors is set up as shown in the figure. The magnitude of the electric field due to a point charge Q(having a charge equal to the sum of the charges on the 4μF and 9μF capacitors), at a point distance 30m from it, would equal :