The discussion revolves around a circuit problem involving the calculation of current at a specific point, labeled P. The participants are exploring relationships between different currents in the circuit and applying Kirchhoff's laws to set up equations based on their assumptions about current directions.
Some participants have provided guidance on how to approach the problem by suggesting the need to assume directions for the currents and to write additional equations. There is an ongoing exploration of the implications of these assumptions, particularly regarding the possibility of obtaining negative values for current.
Participants are discussing the implications of their assumptions about current directions and the resulting equations. There is a recognition that incorrect assumptions may lead to negative current values, which are being interpreted as indicators of direction rather than errors in calculation.
If you assume I1 to be clockwise and I2 to be from right to left, this equation is correct. Assume a direction for I3 and write another equation. Your directions may be wrong, but that will just give you a negative value for the current.Faris A said:
cnh1995 said:
dw I figured out where I was going wrongFaris A said: