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The potential energy of system of two equal negative point charges of $2 \mu C$ each held 1 m apart in air is $(k = 9 \times 10^9 SI unit)$ [Guj CEE 2009]

1 Answer

$(D) 3.6 × 10^{–2} J$
answered Jun 24, 2014 by meena.p
 

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