If the wire kept in E-W direction be dropped freely, then is there any potential difference induced across it ends?

A wire in N-S direction is dropped freely. Will any potential difference be induced across its ends?

The following table gives the length of three copper wires, their diameters and the applied potential difference across their ends. Arrange the wires in increasing order according to the following The magnitude of the electric field within them?

The following table gives the length of three copper wires, their diameters and the applied potential difference across their ends. Arrange the wires in increasing order according to the following The current density within them.

The following table gives the length of three copper wires, their diameters and the applied potential difference across their ends. Arrange the wires in increasing order according to the following The drift speed of electrons through them?

Name a device that help to maintain a potential difference across a conductor?

In the circuit shows find the phase difference between the potential differences across C and R_2