Question

A gaussian surface having a charged ball within it has electric flux ¢(phy) associated with it. The body is now placed inside a metallic container. The flux through a closed surface surrounding the container will be​

Answer 1

Given : A gaussian surface having a charged ball within it has electric flux Φ associated with it. The body is now placed inside a metallic container.

To find : The flux through a closed surface surrounding the container.

solution : a metallic container doesn't allow to escape any flux outside. it means all flux confining within it. this is also known as shielding effect.

so, the flux through the closed surface surrounding the container will be zero.

Therefore option (b) Zero, is correct choice.

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