A charged spherical conductor in a medium of permittivity e basa surface charge density σ. At an outside point, a distance r from the centre of the conductor, the electric field intensity is(A) \(\cfrac σ ɛ\)(B) \(\cfrac σ {ɛr}\)(C) \(\cfrac1{4\piɛ_0}\cfrac σ {r^2}\)(D) \(\cfrac1{4\piɛ}\cfrac σ {r^2}\)

A charged spherical conductor in a medium of permittivity e basa surfa

1.	A charged spherical conductor in a medium of permittivity e basa surface charge density σ. At an outside point, a distance r from the centre of the conductor, the electric field intensity is(A) \(\cfrac σ ɛ\)(B) \(\cfrac σ {ɛr}\)(C) \(\cfrac1{4\piɛ_0}\cfrac σ {r^2}\)(D) \(\cfrac1{4\piɛ}\cfrac σ {r^2}\)
Answer» Correct option is (A) \(\cfrac σ ɛ\)

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