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Voltage explained<\/span><\/p>\n"},"subContentId":"6a746b70-435a-437e-93a8-645aa9e357ba","metadata":{"contentType":"Text","license":"U","title":"Untitled \u039a\u03b5\u03af\u03bc\u03b5\u03bd\u03bf","defaultLanguage":"en"}},"alwaysDisplayComments":false,"backgroundOpacity":0,"displayAsButton":false,"buttonSize":"big","goToSlideType":"specified","invisible":false,"solution":""}],"slideBackgroundSelector":{}},{"elements":[{"x":4.958677685950414,"y":13.014756828637454,"width":88.90760330578512,"height":86.98613364851232,"action":{"library":"H5P.AdvancedText 1.1","params":{"text":"

Voltage can cause electric charges<\/strong> such as electrons to move. Moving charges can be called a current<\/strong>, so voltage can cause a current. <\/span><\/p>\n\n

<\/p>\n\n

Voltage is always measured between two points<\/strong>. e.g. between the positive and negative ends of a battery, between a wire and the ground, or between a wire or a point of a circuit and a point in another part of the circuit.<\/span><\/p>\n"},"subContentId":"e3c55832-8444-4a71-9027-ef31bb6c2043","metadata":{"contentType":"Text","license":"U","title":"Untitled \u039a\u03b5\u03af\u03bc\u03b5\u03bd\u03bf","defaultLanguage":"en"}},"alwaysDisplayComments":false,"backgroundOpacity":0,"displayAsButton":false,"buttonSize":"big","goToSlideType":"specified","invisible":false,"solution":""}],"slideBackgroundSelector":{}},{"elements":[{"x":31.06510024596903,"y":21.916319110372775,"width":37.721907441533816,"height":74.51548497526744,"action":{"library":"H5P.Image 1.1","params":{"contentName":"Image","file":{"path":"images\/image-PbcN2CuZ.png","mime":"image\/png","copyright":{"license":"U"},"width":600,"height":600},"title":"https:\/\/freesvg.org\/voltmeter","alt":"Drawing of a voltmeter"},"subContentId":"afe6884c-fb21-451e-b29a-effa340cf916","metadata":{"contentType":"Image","license":"U","title":"Untitled \u0395\u03b9\u03ba\u03cc\u03bd\u03b1","defaultLanguage":"en"}},"alwaysDisplayComments":false,"backgroundOpacity":0,"displayAsButton":false,"buttonSize":"big","goToSlideType":"specified","invisible":false,"solution":""},{"x":23.140495867768596,"y":3.2649756269569443,"width":52.14498969859086,"height":15.341423377260943,"action":{"library":"H5P.AdvancedText 1.1","params":{"text":"

Voltage is measured in Volts by using a voltmeter (or multimeter)<\/span><\/p>\n"},"subContentId":"4b741ab5-ddc2-4470-9343-cc3ca3a7dc4a","metadata":{"contentType":"Text","license":"U","title":"Untitled \u039a\u03b5\u03af\u03bc\u03b5\u03bd\u03bf","defaultLanguage":"en"}},"alwaysDisplayComments":false,"backgroundOpacity":0,"displayAsButton":false,"buttonSize":"big","goToSlideType":"specified","invisible":false,"solution":""}],"slideBackgroundSelector":{}},{"elements":[{"x":9.985210793347187,"y":8.76652764414911,"width":78.77221848085003,"height":21.916319110372775,"action":{"library":"H5P.AdvancedText 1.1","params":{"text":"

In circuit diagrams, a voltmeter is represented by the letter V in a circle, with two emerging lines representing the two points of measurement.<\/span><\/p>\n"},"subContentId":"e631b6ae-2388-4e01-8b09-5bcb607bfbd9","metadata":{"contentType":"Text","license":"U","title":"Untitled \u039a\u03b5\u03af\u03bc\u03b5\u03bd\u03bf","defaultLanguage":"en"}},"alwaysDisplayComments":false,"backgroundOpacity":0,"displayAsButton":false,"buttonSize":"big","goToSlideType":"specified","invisible":false,"solution":""},{"x":21.07988945262184,"y":35.066110576596444,"width":58.164844479081026,"height":56.975635628045,"action":{"library":"H5P.Image 1.1","params":{"contentName":"Image","alt":"Voltmeter schematic symbol","file":{"path":"images\/image-pFwV6oJe.png","mime":"image\/png","copyright":{"license":"U"},"width":976,"height":484}},"subContentId":"51250a75-3ece-427b-b817-f3b8373bdbbc","metadata":{"contentType":"Image","license":"U","title":"Untitled \u0395\u03b9\u03ba\u03cc\u03bd\u03b1","defaultLanguage":"en"}},"alwaysDisplayComments":false,"backgroundOpacity":0,"displayAsButton":false,"buttonSize":"big","goToSlideType":"specified","invisible":false,"solution":""}],"slideBackgroundSelector":{}},{"elements":[{"x":32.17456811189649,"y":26.29958293244733,"width":34.393503843751425,"height":67.94058924215561,"action":{"library":"H5P.Image 1.1","params":{"contentName":"Image","file":{"path":"images\/image-Flr83im0.png","mime":"image\/png","copyright":{"license":"U"},"width":600,"height":600},"alt":"https:\/\/freesvg.org\/nicubunu-battery","title":"A battery"},"subContentId":"c4928ed1-e0af-4fb6-b96a-c378a68b89cb","metadata":{"contentType":"Image","license":"U","title":"Untitled \u0395\u03b9\u03ba\u03cc\u03bd\u03b1","defaultLanguage":"en"}},"alwaysDisplayComments":false,"backgroundOpacity":0,"displayAsButton":false,"buttonSize":"big","goToSlideType":"specified","invisible":false,"solution":""},{"x":14.423082257057048,"y":4.3832638220745554,"width":68.78700768750285,"height":15.341423377260943,"action":{"library":"H5P.AdvancedText 1.1","params":{"text":"

Alkaline or Zinc-carbon batteries of AA, AAA, C, and D size possess a nominal voltage of 1.5V<\/span><\/p>\n"},"subContentId":"c1943a4d-daae-4626-8e59-4a9e2f817bb0","metadata":{"contentType":"Text","license":"U","title":"Untitled \u039a\u03b5\u03af\u03bc\u03b5\u03bd\u03bf","defaultLanguage":"en"}},"alwaysDisplayComments":false,"backgroundOpacity":0,"displayAsButton":false,"buttonSize":"big","goToSlideType":"specified","invisible":false,"solution":""}],"slideBackgroundSelector":{}},{"elements":[{"x":49.7256035815607,"y":1.3010330202180531,"width":49.39464840540528,"height":97.57422393380345,"action":{"library":"H5P.Image 1.1","params":{"contentName":"Image","title":"https:\/\/freesvg.org\/green-plant-pot-vector-illustration","alt":"Plant in pot","file":{"path":"images\/image-00VOgeEA.png","mime":"image\/png","copyright":{"license":"U"},"width":600,"height":600}},"subContentId":"7fec4e04-ae17-4666-a242-9c48488ca229","metadata":{"contentType":"Image","license":"U","title":"Untitled \u0395\u03b9\u03ba\u03cc\u03bd\u03b1","defaultLanguage":"en"}},"alwaysDisplayComments":false,"backgroundOpacity":0,"displayAsButton":false,"buttonSize":"big","goToSlideType":"specified","invisible":false,"solution":""},{"x":4.939629494857023,"y":32.52582550545133,"width":39.99733260007278,"height":39.986599359891756,"action":{"library":"H5P.AdvancedText 1.1","params":{"text":"

Plants have also been found to generate a voltage of up to 200 millivolts when one electrode is placed in a plant and the other in the surrounding soil. <\/span><\/p>\n"},"subContentId":"5682cb47-7139-4313-98d7-2ddef32aae4b","metadata":{"contentType":"Text","license":"U","title":"Untitled \u039a\u03b5\u03af\u03bc\u03b5\u03bd\u03bf","defaultLanguage":"en"}},"alwaysDisplayComments":false,"backgroundOpacity":0,"displayAsButton":false,"buttonSize":"big","goToSlideType":"specified","invisible":false,"solution":""}],"slideBackgroundSelector":{}},{"elements":[{"x":84.4305045970801,"y":8.766527644149111,"width":12.204146525202118,"height":25.20376697692869,"action":{"library":"H5P.Image 1.1","params":{"contentName":"Image","title":"AAA battery","alt":"https:\/\/freesvg.org\/aaa-battery","file":{"path":"images\/image-bOhlBnkg.png","mime":"image\/png","copyright":{"license":"U"},"width":465,"height":465,"originalImage":{"path":"images\/image-uihWj3iB.png","mime":"image\/png","height":600,"width":600}}},"subContentId":"97e58ee1-650a-4421-bc3c-78a09bd3cf89","metadata":{"contentType":"Image","license":"U","title":"Untitled \u0395\u03b9\u03ba\u03cc\u03bd\u03b1","defaultLanguage":"en"}},"alwaysDisplayComments":false,"backgroundOpacity":100,"displayAsButton":false,"buttonSize":"big","goToSlideType":"specified","invisible":false,"solution":""},{"x":57.692329028228194,"y":17.533055288298222,"width":39.10874227394315,"height":77.25502486406404,"action":{"library":"H5P.Image 1.1","params":{"contentName":"Image","file":{"path":"images\/image-MA7BvIeD.png","mime":"image\/png","copyright":{"license":"U"},"width":600,"height":600},"alt":"https:\/\/freesvg.org\/multimeter-with-leads","title":"Voltage measurement"},"subContentId":"bb96fbe1-f6f2-4679-8c7b-0d3fa65b7910","metadata":{"contentType":"Image","license":"U","title":"Untitled \u0395\u03b9\u03ba\u03cc\u03bd\u03b1","defaultLanguage":"en"}},"alwaysDisplayComments":false,"backgroundOpacity":0,"displayAsButton":false,"buttonSize":"big","goToSlideType":"specified","invisible":false,"solution":""},{"x":88.53553570101172,"y":10.958159555186388,"width":4.437871463709861,"height":5.259916586489466,"action":{"library":"H5P.AdvancedText 1.1","params":{"text":"

1.5V<\/strong><\/p>\n"},"subContentId":"0a52b8c4-46a0-479b-825f-14fa1721cf64","metadata":{"contentType":"Text","license":"U","title":"Untitled \u039a\u03b5\u03af\u03bc\u03b5\u03bd\u03bf","defaultLanguage":"en"}},"alwaysDisplayComments":false,"backgroundOpacity":0,"displayAsButton":false,"buttonSize":"big","goToSlideType":"specified","invisible":false,"solution":""},{"x":3.328403597782396,"y":24.107951021410052,"width":52.14498969859086,"height":59.174061598006496,"action":{"library":"H5P.MultiChoice 1.14","params":{"media":{"disableImageZooming":false},"answers":[{"correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""},"text":"

1.5V<\/div>\n"},{"correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"
Red (+) and black (-) terminals are connected in reverse<\/div>\n","notChosenFeedback":"
Red (+) and black (-) terminals are connected in reverse<\/div>\n"},"text":"
-1.5V<\/div>\n"},{"correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""},"text":"
Other<\/div>\n"},{"correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""},"text":"
3V<\/div>\n"}],"overallFeedback":[{"from":0,"to":100}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"UI":{"checkAnswerButton":"Check","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again.","submitAnswerButton":"Submit"},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"},"question":"
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Voltage is everywhere - interactive Exercises