Circuit's Word

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Circuit's Word

Circuit-
     A circuit is a closed conducting path through which current flows or tends to flow when a potential is applied.

Parameters-
               Resistance, Capacitance, Inductance etc.
These parameters may be lumped or distributed.

Lumped- The elements building a lumped system are thought of being concentrated at singular points. e.g. currents and voltage (those are functions of time only)

Distributed- The elements in distriuted system are thought of being distributed in space, so that physical quantities depends on both time and space. e.g. electrical line where L,C, R are not constant and function of time and length both.

Linear Circuit- The parameters of linear circuit is constant with time, Voltage and Current and circuit obeys ohm's law.

Non-linear Circuit- Its parameters change with voltage and current.

Bilateral Network- It behaves same in both direction. The transmission line is bilateral in nature. It can perform it's function equally well in both direction. A network consisting only resistances is good example of bilateral network.

Unilateral Network- A circuit whose operation, behavior is dependent on the direction of the current through elements is called unilateral network.

Passive network and Active Network-
     An active network is a network that contains an active source- voltage source or current source. A passive network is a network that does not contain an active source.

Node & Junction -
                   Node is refers to any point on a circuit where two or more circuits elements are connected together. Whereas Junction is that point where electrical conductors are joined electrically. For two nodes to be different, their voltages must be different. A conductor with a sustantially zero resistance is considered to be a node for the purpose of analysis. Whereas junction is a collection of conductor at the same emf.

Loop & Mesh -
       A loop is a closed path in a circuit where two nodes are not repeated twice except the initial point. But in a loop other paths can be included inside.
      A mesh is closed path in a circuit with no other paths inside it. In other words, a loop with no other loops inside it.

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