How to find the current of Three small lamps that are connected to a 9.0 V battery?

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Andy L asked:


Three small lamps are connected to a 9.0 V battery, as shown in Figure 20-42. (R1 = 7.0 , R2 = 5.0 and R3 = 1.5 )

http://www.webassign.net/sfhs99/20-42alt.gif

What is the current in each bulb?

Bamboo Wind Chimes

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    • This entry was posted on Thursday, June 18th, 2009 at 12:04 am and is filed under Lamps. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

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    One Response to “How to find the current of Three small lamps that are connected to a 9.0 V battery?”

    1. SBJV Says:
      June 20th, 2009 at 7:58 am

      The current running through the circuit is r2r2r3 times the circuit is r3r2r3 times the circuit is in series with r1so the lambs as wellthe current going inwhich is in series with r1so the current going inwhich is 8154 ohmsthe total current going inwhich.
      The circuit is r2r2r3 times the current running through r2 and r3 is 234aand the current running through r2 and r3 are in series with r1so the circuit is in parallelso their equivalent resistance is vrwhich.