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Voltage/current divider

  • Thread starter sevag00
  • Start date
  • #1
80
1

Homework Statement



Calculate ig, i0, i1, i2, Vx using current and voltage divider.

Capture.jpg


The Attempt at a Solution



http://s13.postimg.org/77gjkkmgn/001.jpg [Broken]
 
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Answers and Replies

  • #2
gneill
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You were doing fine until you got to the calculation of Vx. There's no way a potential drop in the the circuit can be larger than the supply voltage...
 
  • #3
80
1
Yes you're right. I didn't pay attention to that.
V should be 1.25V(voltage divider on both 100 ohm resistors) and Vx = 1.125V (voltage divider between the 90 and 20//20 ohm resistors)
 
  • #4
gneill
Mentor
20,799
2,777
Yes you're right. I didn't pay attention to that.
V should be 1.25V(voltage divider on both 100 ohm resistors) and Vx = 1.125V (voltage divider between the 90 and 20//20 ohm resistors)
Muuuch better :smile:

You could also have just multiplied your i3 by 90Ω.
 
  • #5
80
1
Yay!
 

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