NTSE Sample Paper NTSE SAT Practice Test-19

  • question_answer
    What is the resistance between P and Q in the following circuit?            

    A) \[2\Omega \]                             

    B) \[8\Omega \]

    C) \[\frac{16}{3}\Omega \]            

    D) \[1\Omega \]

    Correct Answer: D

    Solution :

    [d] \[1\,\Omega \] and \[1\,\Omega \] in series gives \[2\,\Omega \], which is in parallel with \[2\,\Omega \], so the equivalent resistance is \[1\,\Omega \] \[1\,\Omega \] again in series with \[1\,\Omega \]. gives \[2\,\Omega \], which is in parallel with \[2\,\Omega \], so the equivalent resistance is \[1\,\Omega \] Again \[1\,\Omega \] in series with \[1\,\Omega \], gives ,\[2\,\Omega \] which is in parallel with \[2\,\Omega \], hence the effective resistance across P and Q is \[1\,\Omega \]


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