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CET Karnataka Medical CET - Karnataka Medical Solved Paper-2000

  • question_answer
    Two resistances \[{{r}_{1}}\]and \[{{r}_{2}}\text{(}{{r}_{1}}<{{r}_{2}}\text{)}\]are connected in parallel. The equivalent resistance R is such that:

    A)  \[R>\left( {{r}_{1}}+{{r}_{2}} \right)\]

    B)  \[R>\left( {{r}_{1}}+{{r}_{2}} \right)\]

    C)   \[{{r}_{1}}<R<{{r}_{2}}\]

    D)  \[R<{{r}_{1}}\]

    Correct Answer: D

    Solution :

     The equivalent resistance in a parallel combination is smaller than the smallest resistance in the combination. As \[{{r}_{1}}<{{r}_{2}}\] Hence,      \[R<{{r}_{1}}\]


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