The electric field inside an uncharged metal ball is zero. If the ball is negatively charged, the electric field inside the ball is then

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Quizplus · Accepted Answer

The electric field inside a conductor in electrostatic equilibrium is always zero. This is because when excess charges are placed on a conductor, they will distribute themselves such that the electric field inside the conductor is exactly zero. Therefore, if an uncharged metal ball has zero electric field inside, then when it's negatively charged, the electric field inside the ball will still be zero.

The Electric Field Inside an Uncharged Metal Ball Is Zero