Wie kommt auf dieses Ergebnis?

Wie kommt man bei dieser Aufgabe mit dem Stromteiler beim Verhältnis Ix/I1 und Ix/I2 auf diese Ergebnisse. Rx = 3R, R1 = 5R und R2= 30R

(3 votes)
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Lutz28213
9 months ago

In the case of the voltage divider (series circuit R1 -R2), the partial voltage is obtained via R1 via the ratio R1/(R1+R2) – the resistance via which the voltage is sought is thus in the counter.

In the case of the current divider (parallel circuit R1||R2), it is exactly different: When the partial current is searched by R1, the other resistor is in the counter: The ratio is then R2 /(R1+R2).

Lutz28213
9 months ago
Reply to  Lgol65

Yeah, that’s right. It can be calculated by applying the current divider formula for Ix and I2 twice. But, of course, clearly over the logical relationship, the currents behave in the opposite direction to the resistors in the parallel circuit.

isohypse
9 months ago

Of course Ix/I2 is not.

Flips100
9 months ago

Basic rule of the parallel circuit :

R1 * R2 / R1+ R2

Just follow the church law.

https://de.wikipedia.org/wiki/Kirchhoffsche_regulations

After that, everything depends on electrical engineering.