Question

Define earth wire
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Answer 1

In electrical engineering, ground or earth is the reference point in an electrical circuit from which voltages are measured, a common return path for electric current, or a direct physical connection to the earth. Electrical circuits may be connected to ground for several reasons.

Answer 2

Answer:

In electrical circuit generally there are two type of wire to pass electricity in a device or port they are

1. Live wire
2. Earth wire

Earth wire

wire which is used in an electrical circuit to produce a large potential difference between two end of wire . so that positive and negative end form between two ends of wire and charge drift we say current flow in opposite directions of charge and device work we say such wire called earth wire .