A uniformly charged conducting sphere of 2.4 m diameter has a surface charge density of 80 μC/m2. The total electric flux leaving the surface of the sphere is

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zero

1.6×108NC−1m2

1.6×10−8NC−1m2

1/1⋅6×108NC−1m2

answer is B.

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Detailed Solution

Charge on sphere, q=σ×4πr2∴ q=80×10−6×4×3⋅14×(1⋅2)2 =1.45×10−3CNow Φ=qε0=1.45×10−38.85×10−12=1.6×108NC−1m2

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