EARTH SCIENCE
MAGNETISM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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a copper wire
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a silver spoon
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a plastic coating on a wire
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an aluminum coating on a wire
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Detailed explanation-1: -PVC is an insulator and prevents electricity to be conducted outside the wire so that electric shock can be prevented.
Detailed explanation-2: -Most electrical wire is covered in a rubber or plastic coating called insulation.
Detailed explanation-3: -Plastic coatings are also known to be heat and electrical insulators. They can also be seen in many hand tools such as tongs and spatulas, serving as additional protection when handling hot objects.
Detailed explanation-4: -Polyvinyl Chloride (PVC): PVC is one of the most commonly used insulation materials due to its cost effectiveness and high durability. It exhibits high resistance to fire and chemicals, and can maintain its shape and durability in temperatures from-55° C up to 105° C.
Detailed explanation-5: -Electrical wiring is usually covered with layer of plastic to make it safe. As we know that plastic is an electrical insulator and it is readily available and cheap. So as to insulate the electricity carrying wire, to make it shock free.