Two uniform wires $A$ and $B$ are of the same metal and have equal masses. The radius of wire $A$ is twice that of wire $B$. The total resistance of A and $B$ when connected in parallel is
  • A$4\,\Omega $ when the resistance of wire $A$ is $4.25\,\Omega $
  • B$5\,\Omega $ when the resistance of wire $A$ is $4.25\,\Omega $
  • C$4\,\Omega $ when the resistance of wire $B$ is $4.25\,\Omega $
  • D$4\,\Omega $ when the resistance of wire $B$ is $4.25\,\Omega $
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