Szeregowo:

$R_z = \sum{Rn}$

Równolegle:

$\frac{1}{R_z}= \sum{\frac{1}{R_n}} \Leftrightarrow R_z = \frac{\prod R_n}{\sum R_n}$

$P = U \times I = I^2 \times R = \frac{U^2}{R}$
## Strzałkowanie odbiornika
![[20221014103322 2022-10-28 10.42.56.excalidraw]]
![[20221014103322 2022-10-28 10.55.40.excalidraw]]