A uniformly charged conducting sphere of diameter 14 cm has surface charge density of 40 Cm ⁻² . The total electric flux leaving the surface of the sphere is nearly (Permittivity of free space =8.85 10⁻¹² SI unit )

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Correct answer: D. 280 kWb

Electric flux = q ₀ = 4 r ^2 ₀ aligned & = 4 3.14 (7 10⁻² )^2 40 10⁻⁶ 8.85 10⁻¹² & = 4 3.14 49 10⁻⁴ 4 10⁻⁵ 8.85 10⁻¹² & = 4 3.14 49 4 10^3 8.85 & =278 10^3 280 10^3 ~Wb & =280 kWb aligned

A uniformly charged conducting sphere of diameter 14 cm has surface charge density of 40 Cm ⁻² . The total electric flux leaving the surface of the sphere is nearly (Permittivity of free space =8.85 10⁻¹² SI unit )

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