1.

Radius of spherical shell is 0.5 m. It is charged. Now imagine spherical surface of radius 2 m and 3 m concentric with spherical shell of 0.5 m radius. If electric field on these surfaces are E_(1)and E_2 respectively, then

Answer»

`E_(1) = 3/2E_(2)`
`E_(2) = 9/4E_(1)`
`E_(1) = 9/4E_(2)`
`E_(1) = E_(2)`

Solution :`R= 0.5 m, r_(1)=2m, r_(2) =3m`
`THEREFORE` For a point-out SIDE shell.
`E = (sigmaR^(2))/(epsilon_(0)r^(2))`
`therefore E PROP 1/r^(2)`
`E_(1)/E_(2) = 9/4`
`therefore E_(1) = 9/4E_(2)`


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