The following four wires are made of the same material. Which of th...

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The following four wires are made of the same material. Which of these will have the largest extension when the same
\( \mathrm{P} \) tension is applied?
\( (2013) \)
W)
(a) Length \( =300 \mathrm{~cm} \), diameter \( =3 \mathrm{~mm} \)
(b) Length \( =50 \mathrm{~cm} \), diameter \( =0.5 \mathrm{~mm} \)
(c) Length \( =100 \mathrm{~cm} \), diameter \( =1 \mathrm{~mm} \)
(d) Length \( =200 \mathrm{~cm} \), diameter \( =2 \mathrm{~mm} \)
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