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How must a voltmeter be connected in a circuit?

  1. Feb 25, 2009 #1
    1. The problem statement, all variables and given/known data
    How must a voltmeter be connected in a circuit to measure voltage across a resistor and why?


    2. Relevant equations
    Vv=Ifs(Rc+Rs)


    3. The attempt at a solution
    I think the voltmeter must be connected parallel to the series with its terminals on either side of the resistor.
     
  2. jcsd
  3. Feb 25, 2009 #2

    LowlyPion

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    Homework Helper

    Re: voltmeter

    ... why?
     
  4. Feb 26, 2009 #3
    Re: voltmeter

    I'm not sure
     
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