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Homework Help: Can's find the name of a component

  1. Oct 29, 2006 #1
    Does anyone know the name of the big box that you can connect to a circuit, to stop the ammeter and voltmeter readings jumping around?
     
  2. jcsd
  3. Oct 30, 2006 #2

    Andrew Mason

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    Homework Helper

    Why are the ammeter and voltmeter readings jumping around? If it is because someone is playing with the on/off switch, then you would use a lock box.

    AM
     
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