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Question

Why are the electric wires used in homes usually covered with materials like plastic or rubber?


A

To prevent rusting.

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B

To make handling easier.

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C

To prevent shock.

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D

To make them look beautiful.

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Solution

The correct option is C

To prevent shock.


Electric wires used in homes generally have a plastic or rubber covering so as to prevent shocks when we touch them. Our body can conduct electricity, so when we hold the current-carrying wire without any covering, the current flows through our body which gives us a shock. Without the covering, the wires may come in contact with each other and cause short-circuit as well.


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