27 lines
940 B
TeX
27 lines
940 B
TeX
% Author: Prof. Dr. Matthias Jung, DL9MJ
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% Year: 2025
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\begin{circuitikz}
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\draw (0,0)
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to [short] ++(0.5,0) coordinate(i1)
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to [short, -o] ++(0.5,0) coordinate(x1)
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to [short, i=I] ++(2,0)
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to [R, l={$R_L$}] ++(0,-2)
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to [short, -o] ++(-2,0) coordinate(x2)
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to [short] ++(-1,0)
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to [european voltage source, name={sq}] ++(0,1)
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to [R, l={$R_i$}] (0,0);
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\draw (x1) to [open, v=$U_k$] (x2);
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\draw (sq.north) node[anchor=east](uq){$U_q$};
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%
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\begin{scope}[on background layer]
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\draw[dashed, DARCblue, fill=DARCblue!20](i1)
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-- ++(0,0.25)
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-| (uq.west)
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-- (uq.west|-x2)
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-- ++(0,-0.25) coordinate(h1)
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-- (h1-|i1) coordinate(h2)
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-- (i1);
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\draw(h1) to [open, name={h3}] (h2);
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\draw[DARCblue](h3.center) node[anchor=north]{Reale Spannungsquelle};
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\end{scope}
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\end{circuitikz} |