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CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2000

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

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

    B)  \[{{r}_{2}}<R<({{r}_{1}}+{{r}_{2}})\]

    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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