Two wires of same length and thickness having specific resistances \( 6 \Omega \mathrm{cm} \) an...

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Two wires of same length and thickness having specific resistances \( 6 \Omega \mathrm{cm} \) and \( 3 \Omega \mathrm{cm} \) respectively are connected in parallel. The effective resistivity of the combination is \( \rho \Omega \mathrm{cm} \). The value of \( \rho \) to the nearest integer, is
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