Question

Which colour is used for earth wire?
A. Green
B. Yellow
C. Both of these
D. None of these

Answer 1

Hint:We are asked to select the colour used for earth wire from the given options. First understand the meaning of earth wire and its function. Then recall the colour used for earth wires and select the correct option from the given options.

Complete answer:
We are asked which colour is used for earth wire.First let us know what earth wires are.Earth wires are wires connected from electric appliances to the ground so that leaked current is transferred to the ground. The colours used for earth wire are green and yellow so that the earth wire can easily be identified.

The correct answer is option C.

Note:Sometimes students get confused between the terms earthing or earth wire and grounding. In case of earthing the electrical appliance or circuit is physically connected to the ground whereas in case of ground the circuit is not physically connected to the ground but connected to a potential at zero voltage.