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Homework Help: Voltage question

  1. Oct 9, 2006 #1
    I'm not sure how to figure this one out:

    In a circuit with just a bulb, battery, and two wires, 3 amperes of current passes through the light bulb. The resistance of the light bulb is 1.5 ohms. What is the voltage of the battery?
  2. jcsd
  3. Oct 9, 2006 #2


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    Staff Emeritus
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    Gold Member

    Use Ohm's law.

    - Warren
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