What is the electric field intensity inside a charged conducting spherical shell?
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What is the electric field intensity inside a charged conducting spherical shell?
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- Consider a thin spherical shell of radius R with a positive charge q distributed uniformly on the surface.
- As the charge is uniformly distributed, the electric field is symmetrical and directed radially outward.
Inside the shell:
In this case, we select a gaussian surface concentric with the shell of radius r (r>R).
So, ∮E.ds=E(4πr²)
According to gauss law,
E(4πr² )= Qend/ε 0
Since charge enclosed inside the spherical shell is zero.
So, E=0
Hence, the electric field due to a uniformly charged spherical shell is zero at all points inside the shell.
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