Checking Kirchhoff's current law

  • #1
Special One
30
1
Homework Statement:
Prove the law
Relevant Equations:
KCL
Im trying to apply KCL to the serial c and parallel rl circuit.
Screenshot 2020-11-04 at 22.24.09.png


IZ =
1604525094368.png
=
1604525094402.png
= 330.562 mA
but this means incorrect proof.
Anyone can help please?
 

Answers and Replies

  • #2
gneill
Mentor
20,947
2,892
Note the 2 Ω resistance in series with the inductor. The branch is not purely reactive in nature. The current through that branch will not be purely 90° out of phase with the current through the resistor branch.

Can you find the phase angle of the impedance of that branch?
 

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