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Check nodal analysis work?

  • Thread starter naivy
  • Start date
  • #1
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Homework Statement



uKyms.png


Homework Equations



nodal analysis

The Attempt at a Solution



When i did the problem, i got 3V. Is this right or wrong?
 

Answers and Replies

  • #2
gneill
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When i did the problem, i got 3V. Is this right or wrong?
It is incorrect.

Show your work if you want help.
 
  • #3
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TIy8n.jpg
 
  • #4
gneill
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Your formula (1) doesn't seem to match the circuit diagram. Shouldn't V2 = V1 + 18V?
 
  • #5
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Your formula (1) doesn't seem to match the circuit diagram. Shouldn't V2 = V1 + 18V?
Ah, you're right. Thanks.

If that's corrected and propagated down... I get

V2 = 4.5V, V1 = -13.5V, V3 = 11.25V

So the answer is 11.25V?
 
  • #6
gneill
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Looks much better! That's it!
 
  • #7
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Thanks! I really appreciate it.
 

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