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Three blocks are connected with wires \( A \) and \( B \) of same cross-section area \( x \) and Young's modulus \( Y \). All three blocks are of mass \( m \) each.

With reference to the given situation, which of the following statement is correct?
I. Tension in wire \( A=\frac{2}{3} m g \)
II. Tension in wire \( B=\frac{2}{3} m g \)
III. Stress in wire \( A=\frac{2 m g}{3 x} \)
IV. Strain in wire \( B=\frac{2 m g}{3 x Y} \)
(a) Both I and II
(b) Both II and III
(c) Both III and IV
(d) Both II and IV
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