When should i (on paper) pump a network with a source to determine values?

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SUMMARY

Pumping a network of resistors, capacitors, and inductors with a 1 amp AC current source or a 1 volt AC voltage source is essential for determining specific values within linear circuits. This method is particularly useful when applying Kirchhoff's Current Law (KCL) or Kirchhoff's Voltage Law (KVL) to solve for currents and voltages. In cases involving non-linear devices such as transistors and diodes, approximations or simulation techniques, including Monte Carlo methods, are necessary for accurate analysis. Understanding when to apply these tools is crucial for effective circuit analysis.

PREREQUISITES
  • Understanding of Kirchhoff's Current Law (KCL)
  • Familiarity with Kirchhoff's Voltage Law (KVL)
  • Basic knowledge of linear and non-linear circuit components
  • Experience with circuit simulation tools
NEXT STEPS
  • Research the application of Kirchhoff's Current Law (KCL) in circuit analysis
  • Study Kirchhoff's Voltage Law (KVL) for solving complex circuits
  • Learn about circuit simulation tools such as SPICE
  • Explore Monte Carlo simulation techniques for circuit tolerance analysis
USEFUL FOR

Electrical engineering students, circuit designers, and anyone preparing for exams on circuit analysis will benefit from this discussion.

chopficaro
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i understand that there are times when one should (on paper) pump a network of resistors, capacitors, and inductors with a 1 amp ac current source or a 1 volt ac voltage source in order to determine certain values within the system

however, i am having trouble determining when i need to use this tool, and i have a test on wednesday!
 
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chopficaro said:
i understand that there are times when one should (on paper) pump a network of resistors, capacitors, and inductors with a 1 amp ac current source or a 1 volt ac voltage source in order to determine certain values within the system

however, i am having trouble determining when i need to use this tool, and i have a test on wednesday!

I'm not sure. Generally with linear circuits, you will be able to solve for the currents and voltages using KCL or KVL simultaneous equations.

If there are non-linear devices (transistors, diodes, etc), you can use approximations to help you solve the circuit. If you need more accurate numbers, you can use simulation to help you understand how the circuit behaves. You can also use Monte-Carlo techniques in the simulations to help you understand how the circuit will function with components that have values that fall within their tolerances, but are not the exact value shown in the schematic...
 
you are correct not to be sure, i just found out that its just an extra step in the methods i have already been using :( sorry
believe it or not ur post helped me out, it made me think, wow, if the guys at physics forums don't know, then there must be something wrong with my question, sure enough there was
 

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