Basic Engineering Circuit Problem 2

  • Context: Engineering 
  • Thread starter Thread starter DrunkApple
  • Start date Start date
  • Tags Tags
    Circuit Engineering
Join the discussion
Ask a follow-up here, or get your own question answered by working scientists, mathematicians and engineers — people, not an autocomplete.
Real named experts · corrections over time · the nuance an AI answer skips
1 reply · 2K views
DrunkApple
Messages
110
Reaction score
0

Homework Statement


Find I[itex]_{1}[/itex] in the circuit

Homework Equations


The Attempt at a Solution


I[itex]_{1}[/itex] + 4 mA = 2 mA
I[itex]_{1}[/itex] = -2 mA
 

Attachments

  • 2.13.png
    2.13.png
    2.8 KB · Views: 554
Physics news on Phys.org
DrunkApple said:

Homework Statement


Find I[itex]_{1}[/itex] in the circuit


Homework Equations





The Attempt at a Solution


I[itex]_{1}[/itex] + 4 mA = 2 mA
I[itex]_{1}[/itex] = -2 mA

This problem looks to have 2 unknowns. You aren't given the current flowing through the resistor on the left between the 2mA and 12mA legs. I would think you would need to write 2 equations to solve for I1 and that unknown current, but I could be wrong.