Same physics from different angle:
https://texercises.com/collection/ersatzwiderstand-von-schaltung/
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Branches Circuits, Direct Current
Formula \(\frac{1}{R} = \frac{1}{R_1} + \frac{1}{R_2} \quad\) \(\frac{1}{D} = \frac{1}{D_1} + \frac{1}{D_2} \quad\) \(R = R_1 + R_2 \quad\)
Tags elektrizitätslehre, ersatzwiderstand, gleichstromlehre, physik, strom, widerstand