var voltage, current, resistance;
function calculateVoltage() {\n current = document.getElementById(‘current’).value;\n resistance = document.getElementById(‘resistance’).value;\n\n if (current == ”) {\n document.getElementById(‘error1’).innerHTML = ‘Please enter a value’;\n } else if (current < 0) {\n document.getElementById('error1').innerHTML = 'Please enter a positive value';\n } else {\n document.getElementById('error1').innerHTML = '';\n }\n\n if (resistance == '') {\n document.getElementById('error2').innerHTML = 'Please enter a value';\n } else if (resistance < 0) {\n document.getElementById('error2').innerHTML = 'Please enter a positive value';\n } else {\n document.getElementById('error2').innerHTML = '';\n }\n\n if (current != '' && resistance != '') {\n voltage = current * resistance;\n\n document.getElementById('voltage').innerHTML = voltage;\n document.getElementById('result').style.display = 'block';\n }\n}\n\nfunction resetCalculator() {\n document.getElementById('current').value = '';\n document.getElementById('resistance').value = '';\n document.getElementById('result').style.display = 'none';\n}\n\nvar ctx = document.getElementById('voltageChart').getContext('2d');\nvar voltageChart = new Chart(ctx, {\n type: 'bar',\n data: {\n labels: ['Current (A)', 'Resistance (Ω)', 'Voltage (V)'],\n datasets: [{\n label: 'Values',\n data: [0, 0, 0],\n backgroundColor: ['#004a99', '#004a99', '#004a99']\n }]\n },\n options: {\n responsive: true,\n maintainAspectRatio: false,\n scales: {\n y: {\n beginAtZero: true\n }\n }\n }\n});\n\ndocument.getElementById('current').addEventListener('input', function() {\n voltageChart.data.datasets[0].data[0] = this.value;\n voltageChart.update();\n});\n\ndocument.getElementById('resistance').addEventListener('input', function() {\n voltageChart.data.datasets[0].data[1] = this.value;\n voltageChart.update();\n});\n\nfunction copyResults() {\n var copyText = 'Voltage: ' + document.getElementById('voltage').innerHTML + ' V';\n navigator.clipboard.writeText(copyText);\n}\n\n
Calculate Voltage a Bulb Uses
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Result
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Voltage a bulb uses
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