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Two point charges, $q_1 = 10 × 10^{-8}\; C$ and $q_2 =-2 × 10^{-8} C$ are separated by a distance of $60cm$ in air. Find at what distance from the 1st charge, $q_1$ would the electric potential be zero?

1 Answer

$x=50 cm$
Hence B is the correct answer.
answered Jun 9, 2014 by meena.p

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