Answer :
Cu is the element. Hence, option D is correct.
What is electricity?
Electricity travels through the circuit, which is a closed loop that allows for uninterrupted electrical flow to and from a power source through the conductor.
Computers are full of circuit boards that use an element that conducts
electricity well to make the electrical connections between chips. Cu is the element used in it.
Hence, option D is correct.
Learn more about electricity here:
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