question_answer

A wire has resistance \[12\,\Omega \]. It is bent in the form of a circle. The effective resistance between the two points on any diameter is equal to                                                           [JIPMER 1999]

A)                    \[12\,\Omega \]

B)                                      \[6\,\Omega \]

C)                    \[3\,\Omega \]            

D)            \[24\,\Omega \]

Correct Answer: C

Solution :

             \[{{R}_{eq}}=\frac{6}{2}=3\Omega \]