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[" 22.A uniformly charged spherical shel...

[" 22.A uniformly charged spherical shell has total charge "+4C" and radius "10cm" .A small "],[" portion having charge "1 mu C" is removed from the surface.The magnitude of electric "],[" field at the centre of shell due to remaining charges is "],[[" a) "" zero "," b) "9times10^(5)" N "c" ) "36times10^(9)N/C," d) "36times10^(2)N/C]]

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