Two wires \( A \) and \( B \) have the same cross section and are made of the same material, but... VIDEO
Two wires \( A \) and \( B \) have the same cross section and are made of the same material, but the length of wire \( A \) is twice that of \( B \). Then, for a given load
(1) the extension of \( A \) will be twice that of \( B \)
(2) the extensions of \( A \) and \( B \) will be equal
(3) the strain in \( A \) will be half that in \( B \)
(4) the strains in \( A \) and \( B \) will be equal
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