| commit | author | age | ||
| 04ee9d | 1 | #StartUvod |
| SP | 2 | \vskip-2.9mm\noindent |
| 3 | \begin{tabular}{lr} | |
| 4 | \begin{minipage}[t]{0.5\textwidth} | |
| 5 | Na vi"sini $h=/*/h/*/\mathrm{m}$ nad nevtralno prevodno podlago | |
| 6 | se nahajata prema vodnika polmera $r_0=/*/r0/*/$m. | |
| 7 | Razdalja med njima je $d=/*/d/*/$m, naelektrena sta z | |
| 8 | $\pm{q}=\pm/*/q/*/$C/m naboja na dol"zinsko enoto. | |
| 9 | To"cki A in B sta na meji med ravno podlago in zrakom. | |
| 10 | \end{minipage} | |
| 11 | \hskip0.01\textwidth | |
| 12 | \begin{minipage}[t]{0.4\textwidth} | |
| 13 | \vskip-5mm | |
| 14 | \begin{tikzpicture}[scale=0.7] | |
| 15 | \fill[color=black] (0,2) circle (0.2); | |
| 16 | \fill[color=black] (4,2) circle (0.2); | |
| 17 | \node[above] at (0.4,2) {$-q$}; | |
| 18 | \node[above] at (4.4,2) {$+q$}; | |
| 19 | \draw [dashed,stealth-stealth] (-1,0) -- (-1,2); | |
| 20 | \draw [dashed,stealth-stealth] (0,0.5) -- (4,0.5); | |
| 21 | \draw [dotted] (0,0) -- (0,3); | |
| 22 | \draw [dotted] (-1.5,2) -- (5.5,2); | |
| 23 | \draw [dotted] (4,0) -- (4,3); | |
| 24 | \fill[color=black!20] (-3.0,0) -- (8.5,0) -- (8.5,-0.8) -- (-3.0,-0.8); | |
| 25 | \node[left] at (-1,1) {$h=/*/h/*/$m}; | |
| 26 | \node[above] at (2,0.5) {$d=/*/d/*/$m}; | |
| 27 | \node[below] at (4,0) {A}; | |
| 28 | \node[below] at (8,0) {B}; | |
| 29 | \fill[color=black] (4,0) circle (0.05); | |
| 30 | \fill[color=black] (8,0) circle (0.05); | |
| 31 | \draw [dashed,stealth-stealth] (4,0.5) -- (8,0.5); | |
| 32 | \node[above] at (6,0.5) {$d=/*/d/*/$m}; | |
| 33 | \end{tikzpicture} | |
| 34 | \end{minipage} | |
| 35 | \end{tabular} | |
| 36 | \vskip-2mm | |
| 37 | #EndUvod | |
| 38 | ||
| 39 | #StartPodnaloga | |
| 40 | Kolik"sna je absolutna vrednost elektri"cne poljske jakosti | |
| 41 | v to"cki A? | |
| 42 | #EndPodnaloga | |
| 43 | ||
| 44 | #StartRezultat | |
| 45 | TeX: E(\mathrm{A}) | |
| 34c8f6 | 46 | izpis: dec 8 |
| 04ee9d | 47 | enota: V/m |
| 34c8f6 | 48 | formula: -0.00124567890 |
| SP | 49 | napacna: -1200000 |
| 50 | napacna: -0.12 | |
| 51 | napacna: -12.3 | |
| 04ee9d | 52 | #EndRezultat |
| SP | 53 | |
| 54 | #StartPodnaloga | |
| 55 | Kolik"sno je razmerje povr"sinskih gostot naboja v to"ckah A in B? | |
| 56 | #EndPodnaloga | |
| 57 | ||
| 58 | #StartRezultat | |
| 59 | TeX: \sigma_\mathrm{A}/\sigma_\mathrm{B} | |
| 60 | izpis: dec 3 | |
| 61 | enota: | |
| 62 | formula: ka=d/h;(1+4*ka^2)/3 | |
| 63 | napacna: (1+ka^2)/3 | |
| 64 | napacna: (1+4*ka^2) | |
| 65 | napacna: (1+2*ka^2)/3 | |
| 66 | #EndRezultat | |
| 67 | ||
| 68 | #StartPodnaloga | |
| 69 | Kolik"sna je kapacitivnost dvovoda na enoto dol"zine? | |
| 70 | #EndPodnaloga | |
| 71 | ||
| 72 | #StartRezultat | |
| 73 | TeX: c | |
| 74 | izpis: sci 3 | |
| 75 | enota: F/m | |
| 34c8f6 | 76 | formula: c=3;c |
| 04ee9d | 77 | napacna: 2.4869128*c |
| SP | 78 | napacna: 0.84128*c |
| 79 | napacna: 0.6838*c | |
| 80 | napacna: 1.376*c | |
| 81 | napacna: 19.14869128*c | |
| 82 | #EndRezultat | |
| 83 | ||
| 84 | ||
| 85 | #StartSkalar | |
| 86 | ime: q | |
| 87 | izpis: sci 2 | |
| 88 | nacin: FixedVals 40e-9 50e-9 60e-9 | |
| 89 | #EndSkalar | |
| 90 | ||
| 91 | #StartSkalar | |
| 92 | ime: d | |
| 93 | izpis: sci 1 | |
| 94 | nacin: FixedVals 6 8 | |
| 95 | #EndSkalar | |
| 96 | ||
| 97 | #StartSkalar | |
| 98 | ime: h | |
| 99 | izpis: sci 1 | |
| 100 | nacin: FixedVals 1 2 | |
| 101 | #EndSkalar | |
| 102 | ||
| 103 | #StartSkalar | |
| 104 | ime: r0 | |
| 105 | izpis: sci 1 | |
| 106 | nacin: FixedVals 5e-3 6e-3 8e-3 | |
| 107 | #EndSkalar | |
| 108 | ||
| 109 | ||
