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For measuring voltage of any circuit, …

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For measuring voltage of any circuit, potentiometer is preferred to voltameter why?

    • Posted by Hy Shona 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Deepanshu Jaiswal 7 years, 2 months ago

    Potentiometer is better device than voltmeter . 1. When voltmeter is fitted it draws certain current for its own operation. Therefore current in the main circuit decrease and hence potential difference gives lesser reading. 2. In potieometer the reading is taken when current is zero hence there is no potential less.

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