AC Circuit with possibly nodal analysis

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Homework Help Overview

The discussion revolves around an AC circuit analysis problem, specifically considering nodal analysis and the application of impedance equations for capacitors and inductors.

Discussion Character

  • Exploratory, Assumption checking, Conceptual clarification

Approaches and Questions Raised

  • The original poster attempts to set up equations based on Kirchhoff's current law and expresses uncertainty about their approach, particularly regarding the calculation of voltages and impedances. Some participants question the correctness of the original poster's equations and suggest checking the dimensional accuracy of their work.

Discussion Status

Participants are actively engaging with the original poster's attempts, providing feedback on the clarity of their work and confirming some aspects of the circuit analysis, such as the generator voltage and the nature of the impedance for the capacitor. There is an ongoing exploration of the circuit's setup and the equations involved.

Contextual Notes

There are indications of constraints related to the clarity of the original poster's handwriting and the time they are willing to invest in typing out their work. The discussion includes references to specific impedance values and the application of Kirchhoff's laws.

irivce
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Homework Statement


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Homework Equations



impedance equations for capacitors and inductors


The Attempt at a Solution


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I thought something like that might do and then just do a matrix and solve for Va, but I am having second thoughts seems like I am over doing it.
 
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Your handwriting is hardly readable. Why don't you type in your work?

Check your writing if it is at least dimensionally correct.

Zc is wrong.

Voltage divided by impedance can not be voltage, so your equation for Va and Vb are wrong.
Check what impedances are parallel / series.

If you use complex impedance, use also the complex form of the voltage.

ehild
 
Because that would take me the whole night.

Sorry both equations are suppose to equal to zero, kirchhoffs current law, right ?

For Zc, would it be -200i ?

and the voltage as 300 @ 0 degrees ?
 
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this is what I was basing myself on if its any help.
 
irivce said:
Because that would take me the whole night.

Sorry both equations are suppose to equal to zero, kirchhoffs current law, right ?

For Zc, would it be -200i ?

and the voltage as 300 @ 0 degrees ?

I see you consider your time more dear than the time of your helpers.

Yes, Zc=-200i.

Yes, the sum at a node is zero.

Yes, the generator voltage is 300 V @ 0 degrees.

ehild
 
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Alright thank you, sorry for the crappy handwriting ill type it out next time
 

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