Most of the overhead current-carrying wires along the roads do not have a plastic covering like the wires used at homes. Choose the most appropriate reason for no substantial loss of energy in such wires.

Overhead wires are super conductors

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Air is a bad conductor of electricity

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Resistance of these wires is very low

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Current rating is high near highways

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Solution

The correct option is B
Air is a bad conductor of electricity

Air is a bad conductor of electricity. Hence, there is no substantial loss of energy during the flow of electricity in the overhead electric wires along the road, and hence there is no requirement for an insulation like plastic.

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Most of the overhead current-carrying wires along the roads do not have a plastic covering like the wires used at homes. Choose the most appropriate reason for no substantial loss of energy in such wires.

The correct option is B Air is a bad conductor of electricity Air is a bad conductor of electricity. Hence, there is no substantial loss of energy during the flow of electricity in the overhead electric wires along the road, and hence there is no requirement for an insulation like plastic.

The correct option is B
Air is a bad conductor of electricity

Air is a bad conductor of electricity. Hence, there is no substantial loss of energy during the flow of electricity in the overhead electric wires along the road, and hence there is no requirement for an insulation like plastic.