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Mesh Analysis:

Answer»

Mesh analysis provides another general procedure for analyzing circuits, using mesh current as the circuit variables. 

Definition: 

Mesh is a loop which does not contain any other loop within it.

Steps to Determine Mesh Currents:

Step 1: Determine the number of meshes n.

Step 2: Assign mesh current i1, i2, , in, to the n meshes.

  • The direction of the mesh current is arbitrary-(clockwise or counterclockwise)- and does not affect the validity of the solution
  • For convenience, we de ne currents flow in the clockwise (CW) direction.

Step 3: From the current direction in each mesh, denote the voltage drop polarities.

Step 4: Apply KVL to each of the n meshes. Use Ohm's law to express the voltages in terms of the mesh current.

Step 5: Solve the resulting n simultaneous equations to get the mesh current.



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