The answer would be A a copper penny the reason this would be the answer is because Copper<span> is still the most popular material used for </span>wires<span> because it is a very good conductor of electrical current and it is fairly inexpensive when compared to gold and </span>silver<span>. </span>Aluminum<span> and most other </span>metals<span> do not conduct electricity quite as good as </span>copper<span>.</span>
B. By vibrations in wires or strings
Answer:
Appreciate you.
Explanation:
Lemme get brainliest might aswell.