Changes

The resistor voltage drop equations all take the form

The resistor voltage drop equations all take the form

: <math>\Delta V = IR</math>

: <math>\Delta V = IR\,\!</math>

or alternately

or alternately

: <math>V_\alpha - IR = V_\beta</math>.

: <math>V_\alpha - IR = V_\beta\,\!</math>.

They describe the voltage drop associated with current crossing a resistor, according to [http://en.wikipedia.org/wiki/Ohm's_law Ohm's Law].  As such, there is one equation per resistor in the circuit.

They describe the voltage drop associated with current crossing a resistor, according to [http://en.wikipedia.org/wiki/Ohm's_law Ohm's Law].  As such, there is one equation per resistor in the circuit.

* <math>R_1</math>: <math>V_b - I_1 \!\cdot\! R_1 = V_1</math>

* R₁: V_b - I₁R₁ = V₁

* <math>R_2</math>: <math>V_2 - I_2 \!\cdot\! R_2 = 0</math>

* R₂: V₂ - I₂R₂ = 0

* <math>R_3</math>: <math>V_4 - I_3 \!\cdot\! R_3 = V_3</math>

* R₃: V₄ - I₃R₃ = V₃

* <math>R_4</math>: <math>V_3 - I_4 \!\cdot\! R_4 = 0</math>

* R₄: V₃ - I₄R₄ = 0

* <math>R_5</math>: <math>V_5 - I_5 \!\cdot\! R_5 = V_4</math>

* R₅: V₅ - I₅R₅ = V₄

* <math>R_6</math>: <math>V_c - I_6 \!\cdot\! R_6 = V_5</math>

* R₆: V_c - I₆R₆ = V₅

* <math>R_7</math>: <math>V_c - I_7 \!\cdot\! R_7 = V_7</math>

* R₇: V_c - I₇R₇ = V₇

* <math>R_t</math>: <math>V_{out} - I_t \!\cdot\! R_t = 0</math>

* R_t: V_out - I_tR_t = 0

=== Node charge flow ===

=== Node charge flow ===