Ravi wants to cover the bare electrical wires in his room to prevent electric shocks. Which material should he use to wrap the wires?
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Worked Solution
Step 1: To prevent electric shocks, the material must NOT allow electric current to pass through.
Step 2: Materials that do not conduct electricity are called electrical insulators.
Step 3: Rubber is an insulator, while the others are metals (conductors).
Correct answer: Rubber
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