Question

Suggest one way of discriminating a wire carrying current and a wire carrying no current

Answer 1

the wire carrying current may be define as a wire through which electron are readily moving .

and the wire through which the flow of electron is prohibited and is said to be wire carrying no current

Answer 2

Suggest one way of discriminating a wire carrying current from a wire not Carring current?

A current carrying wire will produce a deflection in needle as it poses a magnetic field.

Whereas, no current carrying wire will not produce any deflection in needle as it do not poses magnetic field.