分流の法則

${\displaystyle {\frac {1}{R_{t}}}={\frac {1}{R_{1}}}+{\frac {1}{R_{2}}}+{\frac {1}{R_{3}}}+...\ .}$

${\displaystyle I_{t}=I_{1}+I_{2}+I_{3}+...\ .}$

${\displaystyle I_{x}={\frac {Z_{t}}{Z_{x}}}I_{t}}$

${\displaystyle I_{x}={\frac {Y_{x}}{Y_{t}}}I_{t}}$

${\displaystyle I=I_{1}+I_{2}}$

${\displaystyle I_{1}={\frac {E}{R_{1}}}}$

${\displaystyle I_{2}={\frac {E}{R_{2}}}}$

${\displaystyle I_{1}={\frac {R_{2}}{R_{1}+R_{2}}}I}$

${\displaystyle I_{2}={\frac {R_{1}}{R_{1}+R_{2}}}I}$

${\displaystyle R_{t}={\frac {R_{1}R_{2}}{R_{1}+R_{2}}}}$

${\displaystyle {\frac {R_{t}}{R_{1}}}={\frac {R_{2}}{R_{1}+R_{2}}}}$

${\displaystyle I_{1}={\frac {R_{t}}{R_{1}}}I}$