NEET Sample Paper NEET Sample Test Paper-9

  • question_answer If resistance of each wire in the network shown, is r. The equivalent resistance between A and C is equal to:

    A)  \[r\]                                      

    B)  \[\frac{r}{2}\]

    C)                  \[\frac{2r}{3}\]                                

    D)  \[\frac{3r}{2}\]

    Correct Answer: C

    Solution :

    For points A and C, loop BCD is short circuited Hence\[,\]        \[{{R}_{AC}}=\frac{r\times 2r}{3r}=\frac{2}{3}r\].


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