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What current is flowing through the on/off switch?

  1. Dec 7, 2009 #1
    What current is flowing through the on/off switch???

    The circuit below is powered by a 20-volt battery. What current is flowing through the on/off switch (When it is on, as shown)?

    o01beu.jpg

    A. 0.23 amperes
    B. 0.29 amperes
    C. 0.32 amperes
    D. 0.38 amperes


    i tried myself i got a close answer to D. 0.38 amperes but i want to make sure thx you! ☺
     
  2. jcsd
  3. Dec 7, 2009 #2

    mgb_phys

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    Re: What current is flowing through the on/off switch???

    Would you like to show how you got that?
     
  4. Dec 7, 2009 #3
    Re: What current is flowing through the on/off switch???

    hmm u want me to tell u wat i got? cuz i got close to Question D. but i want to get the accurate answer.
     
    Last edited: Dec 7, 2009
  5. Dec 7, 2009 #4

    Redbelly98

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    Re: What current is flowing through the on/off switch???

    No, we want you to show your work.
     
  6. Dec 8, 2009 #5
    Re: What current is flowing through the on/off switch???

    1/16 + 1/20 = 0.1125

    1/0.1125 + 24 +20 = 52.8

    20v/52.8 = 0.38
     
  7. Dec 8, 2009 #6

    Redbelly98

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    Re: What current is flowing through the on/off switch???

    Looks good! :smile:
     
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