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Give the expression for electric potenti...

Give the expression for electric potential at a point, due to a system of discrete point charges.

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`V= ((1)/( 4 pi epsilon_(0))) (sum_(i=1)^(n)( q_(i))/(r_(ip)))`
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SUBHASH PUBLICATION-ELECTROSTATIC POTENTIAL AND CAPACITANCE -NUMERICALS WITH SOLUTIONS
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  12. A parallel capacitor collects a charge of 3muC when connected to a 1.5...

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  14. Two charges 5xx10^(-8)C and -3xx10^(-8)C are located 0.16 m apart. At ...

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  15. A spherical conductor of radius 0.12 m has a charge of 1.6xx10^(-7)C d...

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  17. Three capacitors each of capacitance 9pF are connected in series. (a...

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