Confused about Nodal analysis

Elecmagician

Elecmagician

@elecmagician-UJz9Du • Oct 26, 2024
How to determine the current direction in branches.
I confused when the circuit become a little complex.
Hence, i canot solve the problem.

In the attached files are examples,
Hope someone could help me to clarify these. 😀

thank you
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  • anuraadha

    anuraadha

    @anuraadha-57t1B5 • Oct 15, 2012

    In the first figure, there is already a direction given( coming towards a node)
    1. Separate in opposite direction.
    2. Now, follow the direction and solve using KVR and KCR loop equations.
    0
  • Abhishek Rawal

    Abhishek Rawal

    @abhishek-fg9tRh • Oct 15, 2012

    In both circuits there are three nodes (technically 2 but one is ground).

    Consider all the currrent going out of node (like we usually assume in KCL).

    You'll get two equation, solve it using cramer's rule & obtail the answer.
    0
  • Jeffrey Arulraj

    Jeffrey Arulraj

    @jeffrey-xA7lUP • Oct 15, 2012

    If you say this is complex then I will have to say you need more time with your books here is one of the beginners sum

    Do spend some quality time with your books

    Then about solving it Cramers rule is one way even by not using it you can find the Voltages at the node and then the current this is also simple
    0