Question

A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the sphere respectively are:

zero and $fraction numerator straight Q over denominator 4 πε subscript straight o straight R squared end fraction$

$fraction numerator straight Q over denominator 4 πε subscript straight o straight R end fraction space a n d space z e r o$
$fraction numerator straight Q over denominator 4 πε subscript straight o straight R end fraction space a n d space fraction numerator Q over denominator 4 pi epsilon subscript o R squared end fraction$

Both are zero

Solution

fraction numerator straight Q over denominator 4 πε subscript straight o straight R end fraction space a n d space z e r o

Electric field inside, E_inside = 0

Potential, V_inside = V_surface =

fraction numerator 1 over denominator 4 πε subscript straight o end fraction Q over R

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