This is the Ohm's law calculator in Javascript:
Javscript:
And the HTML:
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function Berechne(){ //allgemein if(document.Eg.R.value != "" && document.Eg.U.value != "") {document.Eg.I.value = document.Eg.U.value / document.Eg.R.value;} if(document.Eg.I.value != "" && document.Eg.U.value != "") {document.Eg.R.value = document.Eg.U.value / document.Eg.I.value;} if(document.Eg.I.value != "" && document.Eg.R.value != "") {document.Eg.U.value = document.Eg.R.value * document.Eg.I.value;} if(document.Eg.I.value != "" && document.Eg.U.value != "") {document.Eg.P.value = document.Eg.U.value * document.Eg.I.value;} //P-Formeln if(document.Eg.U.value != "" && document.Eg.R.value != "") {document.Eg.P.value = (document.Eg.U.value*document.Eg.U.value) / document.Eg.R.value;} if(document.Eg.I.value != "" && document.Eg.R.value != "") {document.Eg.P.value = (document.Eg.I.value*document.Eg.I.value) * document.Eg.R.value;} //I-Formeln if(document.Eg.P.value != "" && document.Eg.U.value != "") {document.Eg.I.value = document.Eg.P.value / document.Eg.U.value;} if(document.Eg.P.value != "" && document.Eg.R.value != "") {document.Eg.I.value = Math.sqrt(document.Eg.P.value / document.Eg.R.value);} //R-Formeln if(document.Eg.P.value != "" && document.Eg.U.value != "") {document.Eg.R.value = (document.Eg.U.value*document.Eg.U.value) / document.Eg.P.value;} if(document.Eg.I.value != "" && document.Eg.P.value != "") {document.Eg.R.value = document.Eg.P.value / (document.Eg.I.value*document.Eg.I.value);} //U-Formeln if(document.Eg.I.value != "" && document.Eg.P.value != "") {document.Eg.U.value = document.Eg.P.value / document.Eg.I.value;} if(document.Eg.P.value != "" && document.Eg.R.value != "") {document.Eg.U.value = Math.sqrt(document.Eg.P.value * document.Eg.R.value);} } |
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<form name="Eg"><label>R (Ohm) :</label> <input name="R" type="text" /> <label>U (V) :</label> <input name="U" type="text" /> <label>I (A) :</label> <input name="I" type="text" /> <label>P (W) :</label> <br> <input name="P" type="text" /><input type="button" value="Berechne" /> |
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