KVPY Sample Paper KVPY Stream-SX Model Paper-26

  • question_answer
    In the circuit shown if point O is earthed, the potential of point X is equal to -

    A) 10 V    

    B) 15V

    C) 25 V    

    D) 12.5V

    Correct Answer: B

    Solution :

    At point D potential is 0. As it is grounded we will write potential drop along the path XCBD
    \[{{V}_{X}}={{V}_{D}}=10-5+10\] (with sign convention) \[{{V}_{X}}-0=15\,\,or\,\,{{V}_{X}}=15\,\,volt\]


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