Unformatted text preview: Q-charge at its center and radius greater than the outer radius of the metal encloses zero net charge (the Q-charge and the Q + on the inner surface of the metal) so there is no flux through it and = E outside the metal. e) No, = E there. Yes, the charge has been shielded by the grounded conductor. There is nothing like positive and negative mass (the gravity force is always attractive), so this cannot be done for gravity....
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- Electric charge, net charge, Gaussian sphere