A conductor is connected to the pole of the battery of cells. In one case, the other end of the conductor is insulated, and in the other

A conductor is connected to the pole of the battery of cells. In one case, the other end of the conductor is insulated, and in the other, it is grounded. Is there an electric field inside a conductor? Where are the charges distributed in the conductor in each case?

The electric field inside the conductor does not exist in both cases.

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