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Why potentiometer is preffered to a …

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Why potentiometer is preffered to a voltmeter for measuring emf of cell ?

    • Posted by Ayushi Rana 7 years, 6 months ago

    CBSE > Class 12 > Physics
    • 3 answers

    Radhika Tyagi 7 years, 6 months ago

    Bcz it draws current from driver circuit rather than the cell whose emf is to be measured

    0Thank You

    Ankita Vats 7 years, 6 months ago

    Because potentiometer don't consume current whereas voltmeter consume current for measuring emf.

    1Thank You

    Piyush K 7 years, 6 months ago

    Because it does not withdraw any current through circuit

    3Thank You

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