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In a household wiring, the wire that acts as a safety measure by connecting the metallic body of appliances to the earth is the
Aearth wire
Blive wire
Cneutral wire
Dfuse wire
Answer & Solution
Correct answer: A. earth wire
1. The metal body of an appliance can become live due to a fault.
2. The **earth wire** (green insulation) connects the body to the ground, so leakage current flows safely to earth instead of through a person.
3. Live (red/brown) and neutral (black/blue) carry the supply.
_Source: Karnataka SSLC (KSEEB) Class 10 Science, Ch13 'Magnetic Effects of Electric Current', §13.6_
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