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Homework Help: One voltage, 3 resistors

  1. Aug 17, 2011 #1
    1. The problem statement, all variables and given/known data
    A circuit with one 5V and 3 resistors in parallel. What is the voltage across one of the resistors?


    2. Relevant equations
    V=IR


    3. The attempt at a solution
    5/3 V??

    or should i put
    R1 = 5V/I -R2-R3 V

    how do we get voltage across one of the resistors without being given current or current of each resistor?
     
  2. jcsd
  3. Aug 17, 2011 #2

    phinds

    User Avatar
    Gold Member

    If you have 3 resistors in parallel with a voltage source then the output of the voltage source is directly onto each of the 3 resistors.
     
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