Potential difference in a single battery

  1. When we place a voltmeter across a single battery which is connected to another battery in series, does voltmeter show the emf of the single battery or the sum of emf of both the batteries?
  2. jcsd
  3. Simon Bridge

    Simon Bridge 15,299
    Science Advisor
    Homework Helper
    Gold Member

    Why not draw out the circuit and work it out?
    Recall that a real battery is modeled by an ideal battery in series with a small resistance.
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