Two wires of same length and thickness having specific resistances $6\, \Omega \,cm$ and $3 \,\Omega\, cm$ respectively are connected in parallel. The effective resistivity is $\rho\, \Omega \,cm$. The value of $\rho$ to the nearest integer, is ..... .
  • A$2$
  • B$8$
  • C$6$
  • D$4$
JEE MAIN 2021, Medium
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