Which colour is used for earth wire?

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Green

Yellow

Both of these

None of these

answer is C.

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Detailed Solution

Concept: We are asked to choose from the available alternatives the colour of the earth wire. First, comprehend what an earth wire is and what it does. Then, choose the appropriate choice from the available possibilities by remembering the colour of earth wires.
Which colour earth wire should be is a question we are asked. Tell us what earth wires are first. Earth wires are cables that link electrical equipment to the ground in order to transmit any leaky current there. Green and yellow are the colours used for earth wire so that it may be clearly recognised.
Hence, option 3 is the correct answer.

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