10th Class Science Electricity and Circuits Question Bank Electricity

  • question_answer
    A resistance of 0.01 ohms is connected in parallel with a resistance of one kilo ohm. The resistance of the combination will be

    A)  1000 \[ohm\]

    B)  10 \[ohm\]

    C)  1 \[ohm\]

    D)  0.01 \[ohm\]  

    Correct Answer: D

    Solution :

     When a resistance \[R\] is connected in parallel to\[R'(R<R')\], then the resultant lies between \[R/2\] and\[R\]. If \[R'\] is only slightly greater then\[R\], resultant is a little greater than \[R/2\] and if \[R'\] is very large as compared to\[R\], resultant almost approaches the value of\[R\].


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