It is not safe to carry out electrical repair works outdoor during rain because :
A
rainwater is a good conductor of electricity
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B
rainwater contains mineral salts
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C
rainwater is a poor conductor of electricity
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D
both A and B
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Solution
The correct option is D both A and B It is not safe to carry out electrical repair works outdoor during rain because it contains small amounts of mineral salts naturally present in it. This water is thus a good conductor of electricity.