Question

give reasons for convering copper rod by insulating material

Answer 1

copper oxidizes with air to form copper oxide, to prevent this, copper rods must be covered with insulating material

Answer 2

HEY MATE_____>

HERE IS YOUR ANSWER_____>

Insulated wire is more resistant to corrosion then simple copper wire. Avoiding Electrical Shorts ; Since copper is a good conductor of heat and electricity, hence uninsulated copper wire is more prone to electrical shorts.

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