A wire of resistance $12\,ohms$ per meter is bent to form a complete circle of radius $10\, cm.$ The resistance between its two diametrically opposite points, $A$ and $B$ as shown in the figure is
  • A$3\,Ω$
  • B$6\,Ω$
  • C$6$ $\pi $ $Ω$
  • D$0.6$ $\pi $ $Ω$
AIPMT 2009, Medium
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