A physicist is asked to find the flux of a magnetic field $\vec { F } = 4 \vec { k }$ through the curved surface of a right circular cone.The cone is of height 4 and has a circular base of radius 2.He says immediately that, by the Divergence Theorem, the answer is 16 $\pi$.How did he know?

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The Answer of A physicist is asked to find the flux of a magnetic field $\vec { F } = 4 \vec { k }$ through the curved surface of a right circular cone.The cone is of height 4 and has a circular base of radius 2.He says immediately that, by the Divergence Theorem, the answer is 16 $\pi$.How did he know?

A Physicist Is Asked to Find the Flux of a Magnetic