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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2010

  • question_answer
    A cell of internal resistance\[1.5\Omega \] and ofemfl.5V balances 500 cm on a potentiometer wire. If a wire of\[15\Omega \] is connected between the balance point and the cell, then the balance point will shift

    A)  to zero                                

    B)  by 500 cm

    C)  by 750 cm          

    D)         None of these

    Correct Answer: D

    Solution :

    Balance point has some fixed position on potentiometer wire. It is not affected by the addition of resistance between balance point and cell.


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