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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2009

  • question_answer
    If on applying the potential of 20 V on a conductor its conductance becomes\[8\,{{(\Omega )}^{-1}},\] then the current flowing through it will be

    A)  120 A                                   

    B)  160 A

    C)  90 A                     

    D)         80 A

    Correct Answer: B

    Solution :

    Conductance\[\text{=}\frac{\text{1}}{\text{Resistance}}\] \[\therefore \]Resistance\[(R)=\frac{1}{8}\Omega \] \[\therefore \]Current flowing through the conductor                 \[I=\frac{V}{R}=\frac{20\times 8}{1}\]                       \[=160\,\,A\]


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