Hard intro circuit problem help please im stuck on this one for hrs

Click For Summary

Homework Help Overview

The discussion revolves around a circuit analysis problem involving mesh analysis, current sources, and resistors. Participants are attempting to understand the relationships between currents and voltages in the circuit, particularly focusing on how to apply Kirchhoff's Voltage Law (KVL) and analyze the circuit configuration.

Discussion Character

  • Exploratory, Conceptual clarification, Mathematical reasoning, Problem interpretation, Assumption checking

Approaches and Questions Raised

  • Participants discuss the potential for using mesh analysis and the importance of redrawing the circuit for clarity. Questions arise about the number of mesh loops and the correct application of KVL. There are attempts to calculate currents and voltages across various resistors, with some participants questioning their assumptions about series and parallel configurations.

Discussion Status

The discussion is ongoing, with participants providing guidance on how to approach the problem. Some participants have shared calculations and interpretations, while others are seeking clarification on their reasoning and the relationships between the circuit elements. There is no explicit consensus, but several productive lines of inquiry are being explored.

Contextual Notes

Participants are navigating the complexities of circuit analysis, including the implications of grounding, the behavior of current sources, and the correct application of KVL. There are indications of confusion regarding the definitions of series and parallel resistors, as well as the proper treatment of currents in different branches of the circuit.

  • #31


The sum of voltages along the loop is zero. Include the voltage of the generator and write up KVL,

ehild
 
Physics news on Phys.org
  • #32
ehild said:
The sum of voltages along the loop is zero. Include the voltage of the generator and write up KVL,

ehild

Whats the generator? Isn't it 2mA? How do you get 2mA in volts?
 
  • #33


The generator supplies 2 mA current, but there is some voltage across it. You need to find that voltage from KVL.The sum the voltages across the resistors + the voltage across the generator is zero.

ehild
 

Similar threads

Replies
5
Views
2K
  • · Replies 6 ·
Replies
6
Views
3K
Replies
20
Views
2K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 1 ·
Replies
1
Views
2K
Replies
6
Views
2K
Replies
2
Views
5K
  • · Replies 36 ·
2
Replies
36
Views
6K
  • · Replies 1 ·
Replies
1
Views
1K
Replies
1
Views
2K