Short-circuit 22841

An external circuit with a resistance of 3.8 Ω is connected to an electrical voltage source with Ue=12 V. A current of 3 A passes through the circuit.
source terminal voltage,
the internal resistance of the source,
maximum short-circuit current.

Correct answer:

U2 =  11.4 V
R2 =  0.2 Ω
I2 =  60 A

Step-by-step explanation:

R=3.8 Ω I=3 A U1=12 V  U2=R I=3.8 3 V=11.4 V
R2=IU1U2=31211.4=51 Ω=0.2 Ω
I2=R2U1=5112=60 A

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