What is Loop analysis: Definition and 13 Discussions

Mesh analysis (or the mesh current method) is a method that is used to solve planar circuits for the currents (and indirectly the voltages) at any place in the electrical circuit. Planar circuits are circuits that can be drawn on a plane surface with no wires crossing each other. A more general technique, called loop analysis (with the corresponding network variables called loop currents) can be applied to any circuit, planar or not. Mesh analysis and loop analysis both make use of Kirchhoff’s voltage law to arrive at a set of equations guaranteed to be solvable if the circuit has a solution. Mesh analysis is usually easier to use when the circuit is planar, compared to loop analysis.

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  1. cianfa72

    Write Down Loop-Impedance Matrix for Current-Controlled Current Sources

    TL;DR Summary: How to write down the loop-impedance matrix in case of Current-Controlled Current Sources Hi, as in the following linear network, I would like to write down the loop-impedance matrix for it where there is a CCCS ##2i_1## source. The starting point is the network elements...
  2. greg_rack

    Applying Kirchhoff's laws for a loop analysis

    For this one circuit, I've applied Kirchhoff's laws as following: $$\left\{\begin{matrix} V-6\Omega I_{6}-24V-2\Omega I_{2}=0\\ 24V-6\Omega I_{6}-12V-24V=0\\ I_{2}+I_{6}=6A \end{matrix}\right.$$ but the values I get for ##I## and ##V## aren't correct... what's wrong?
  3. D

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    Homework Statement [/B] ##E_1=6V## ##E_3=5V## ##R_1=150Ω## ##R_2=R_3=100Ω## ##R_4=50Ω## ##R_5=300Ω## ##C_1=1.5 mF## ##C_2=0.5mF## Text: In the first condition when the switches 1 and 2 are open the capacitor 2 has charge on it. First the switch 1 closes and the charge flow of ##q_1=1 mC## is...
  4. sukalp

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  5. sukalp

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  6. sukalp

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  7. S

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  8. V

    Solving a Complex Circuit: Loop Analysis & Node Analysis

    Homework Statement [PLAIN]http://img856.imageshack.us/img856/8508/circuit.png Homework Equations Loop Analysis and Node Analysis The Attempt at a Solution The Question states I have to find the equivalent resistance within the circuit. But, since there is a dependent source...
  9. G

    Loop analysis with complex components

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  10. E

    What Is the Correct Approach to Solve This Loop Analysis Problem?

    Homework Statement http://i.imgur.com/pVIMw.png" Homework Equations The Attempt at a Solution I called the top left loop i1, the top right loop i2, the bottom right loop i3, and the bottom left loop i4. I have all of these currents going clockwise in my work. An attempt to do loop analysis...
  11. E

    Help setting up Loop Analysis

    Homework Statement http://i.imgur.com/pVIMw.png Homework Equations KVL The Attempt at a Solution I called the top left loop i1, the top right loop i2, the bottom right loop i3, and the bottom left loop i4. I have all of these currents going clockwise in my work. An attempt to do loop...
  12. E

    Find voltage across a resistor using Loop Analysis

    Homework Statement http://i.imgur.com/H20el.png Homework Equations KVL The Attempt at a Solution When I solved the equation for V0, I got V0=2V. Is this correct? If it's not, I'll upload my work. Thanks!
  13. N

    Did I do my loop analysis correctly?

    Homework Statement Homework Equations The Attempt at a Solution If we were to call the bottom right loop I1, the top loop I2, and the bottom right loop I3. I got the following: I1 = 1mA I2 = 6mA I3 = 2mA Which gives me a final answer of I0 = -1mA. Is this correct?
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