An in-depth, concise summary of circuit analysis techniques. Some concepts covered include voltage and current division, node-voltage and mesh-current methods, direct and indirect sources, Thévenin and Norton equivalent circuits, power transfer and optimisation, and superposition, among others.
Planar circuit circuits that can be drawn on a plane with no
crossing branches .
Nonplanar circuit circuits that not be drawn plane in that there are no branches
can on a such a
way crossing .
Terminology :
node :
point where two or more circuit elements join .
essential node
:
point where three or more circuit elements join .
path
:
a trace of adjoining basic elements with no elements included more than once .
branch path that connects two nodes
:
a .
· essential branch :
a path that connects two essential nodes without passing through an essential node .
loop : a path whose last node is the same as the starting node .
mesh a loop that does not enclose other
any loops
:
.
How equations ?
many
count number of essential nodes , ne
count number of essential branches be where current is unknown .
, ,
write ne-l equations by applying KCL to
any set of re-l nodes .
write be cre-ll equations by applying KVL around a set of be-(re-1) loops or meshes .
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