Since a metal ball is considered a solid sphere So the electric field inside the metal ball is given by E = (p/3∈₀)r
Where r is the distance from the center and rho is charge density. Hence at the center r = 0
Then electric field
E = (p/3∈₀) x 0 = 0 N/C
Hence electric field at the center of the metal ball is due to its own charge only being 0N/C.
An electrical property is associated with any point in space when some form of electric charge is present. The magnitude and direction of the electric field are represented by the value of E and are called field strength or electric field strength or simply electric field.
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