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11. A sphere of radius 5 cm has a charge of 31-41 micro cade
Calculate the surface density of charge.
20.
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The Surface charge density formula is given by, σ = q / A.
=41+31/2/4pi×5^2micro cade
=36/4pi25micro cade
=9/pi25micro cade
=9/78.53micro cade
=0.114micro cade
So surface density of the charge is 0.114 micro cade.
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