Manipal Engineering Manipal Engineering Solved Paper-2009

  • question_answer
    The accurate measurement of emf can be obtained using

    A)  multimeter      

    B)  voltmeter

    C)  voltameter      

    D)         potentiometer

    Correct Answer: D

    Solution :

    In a potentiometer there is no current drawn from the cell whose emf is to be measured whereas a voltmeter always draws some current from the cell. Hence, the emf of a cell can be measured accurately using a potentiometer.


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