Metallic Circuit

Definition - What does Metallic Circuit mean?

A Metallic Circuit is a circuit without the earth in the conducting path. In most of the electric circuits, metal wires are joined with a battery to form a circuit, which also includes a ground or earth form. However, a Metallic Circuit works without the earth component, which is otherwise an important constituent in an electric circuit for the conducting path. Basically, in a Metallic Circuit, the metal conductor plays an important role in conducting the current, as opposed to the earth wire.

Petropedia explains Metallic Circuit

An electric circuit is a path in which a current flows. The electrons from the electric current in the circuit always flow in a closed path. The electrical circuit thus has a source point and a return point for these electrons to flow. The return point, which is commonly known as ground or earth is the point in the circuit where the electrons leave the circuit. There is another form of circuit, known as Metallic Circuit which does not have the earth part installed in it. This way, the circuit lacks the earth point in the conducting path for the current to flow. A Metallic Circuit is different from the regular electric circuit because in the latter circuit, the earth ground is an important constituent of the closed path of the circuit.

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