Question

resistivity of copper is........​

Answer 1

Answer:

Resistivity p

Explanation:

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Answer 2

Answer:

Metals can be listed according to their reactivity. Some, like sodium, are so reactive that they explode on contact with water. Some, like gold, are so unreactive that they appear to be unchanged after being buried for thousands of years. Copper is low on this scale. It will react, but slowly. This low reactivity, combined with its malleability makes it ideal for use in architecture. It can be cut and hammered into ornate shapes and it will protect itself with a pale green coating of copper salts called a patina. Note: this is not to be confused with verdigris, the name given to the green finish obtained by treatment with acetic acid to form copper acetate. Verdigris is soluble and not as durable as natural patinas.

Explanation:

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