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simply added together RT=R1+R2...</p>", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {"R1": {"name": "R1", "group": "Ungrouped variables", "definition": "random(500 .. 1500#10)", "description": "", "templateType": "randrange", "can_override": false}, "R2": {"name": "R2", "group": "Ungrouped variables", "definition": "random(1000 .. 2000#100)", "description": "", "templateType": "randrange", "can_override": false}, "R3": {"name": "R3", "group": "Ungrouped variables", "definition": "random(100 .. 200#10)", "description": "", "templateType": "randrange", "can_override": false}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["R1", "R2", "R3"], "variable_groups": [{"name": "Unnamed group", "variables": []}], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "gapfill", "useCustomName": true, "customName": "Series Resistors", "marks": 0, "scripts": {}, "customMarkingAlgorithm": 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"resources": [["question-resources/series.png", "/srv/numbas/media/question-resources/series.png"]], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Stephen Blackwell", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/14103/"}, {"name": "Stephen Wilson", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/18225/"}], "tags": [], "metadata": {"description": "<p>Simple series resistor circuits</p>", "licence": "All rights reserved"}, "statement": "<p>Calculate the equivalent resistance of the series circuits.</p>\n<p></p>", "advice": "<p>Resistors in series are simply added together RT=R1+R2...</p>", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {"R1": {"name": "R1", "group": "Ungrouped variables", "definition": "random(500 .. 1500#10)", "description": "", "templateType": "randrange", "can_override": false}, "R2": {"name": "R2", "group": "Ungrouped variables", "definition": "random(1000 .. 2000#100)", "description": "", "templateType": "randrange", "can_override": false}, "R3": {"name": "R3", "group": "Ungrouped variables", "definition": "random(100 .. 200#10)", "description": "", "templateType": "randrange", "can_override": false}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["R1", "R2", "R3"], "variable_groups": [{"name": "Unnamed group", "variables": []}], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "gapfill", "useCustomName": true, "customName": "Series Resistors", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Calculate the total resistance of the circuit.</p>\n<p><img src=\"resources/question-resources/series.png\"/></p>\n<p>R1 = {R1} ohms</p>\n<p>R2 = {R2} ohms</p>\n<p>R3 = {R3} ohms</p>\n<p></p>\n<p>Total Resistance = [[0]] ohms.</p>\n<p></p>\n<p></p>", "gaps": [{"type": "numberentry", "useCustomName": true, "customName": "RT", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minValue": "R1+R2+R3", "maxValue": "R1+R2+R3", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "precisionType": "dp", "precision": "2", "precisionPartialCredit": 0, "precisionMessage": "You have not given your answer to the correct precision.", "strictPrecision": true, 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{}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Calculate the total resistance of the circuit.</p>\n<p><img src=\"resources/question-resources/series.png\"/></p>\n<p>R1 = {R1} ohms</p>\n<p>R2 = {R2} ohms</p>\n<p>R3 = {R3} ohms</p>\n<p></p>\n<p>Total Resistance = [[0]] ohms.</p>\n<p></p>\n<p></p>", "gaps": [{"type": "numberentry", "useCustomName": true, "customName": "RT", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, 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"prompt": "<p>Calculate the total resistance of the circuit.</p>\n<p><img src=\"resources/question-resources/parallel_QahytBG.png\"/></p>\n<p>R1 = {R1} ohms</p>\n<p>R2 = {R2} ohms</p>\n<p>R3 = {R3} ohms</p>\n<p></p>\n<p>Total Resistance = [[0]] ohms.</p>\n<p></p>\n<p></p>\n<p></p>", "gaps": [{"type": "numberentry", "useCustomName": true, "customName": "RT", "marks": "1", "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minValue": "(1/(1/R1+1/R2+1/R3))-0.1", "maxValue": "(1/(1/R1+1/R2+1/R3))+0.1", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "precisionType": "dp", "precision": "2", "precisionPartialCredit": 0, "precisionMessage": "You have not given your 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circuits</p>", "licence": "All rights reserved"}, "statement": "<p>Calculate the equivalent resistance of the parallel circuits.</p>\n<p></p>", "advice": "<p>Resistors in parallel require a more complex formula to calculate.</p>\n<p><img src=\"resources/question-resources/resPArForm.png\"/></p>", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {"R1": {"name": "R1", "group": "Ungrouped variables", "definition": "random(500 .. 1500#10)", "description": "", "templateType": "randrange", "can_override": false}, "R2": {"name": "R2", "group": "Ungrouped variables", "definition": "random(1000 .. 2000#100)", "description": "", "templateType": "randrange", "can_override": false}, "R3": {"name": "R3", "group": "Ungrouped variables", "definition": "random(100 .. 200#10)", "description": "", "templateType": "randrange", "can_override": false}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["R1", "R2", "R3"], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "gapfill", "useCustomName": true, "customName": "Parallel Resistors", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Calculate the total resistance of the circuit.</p>\n<p><img src=\"resources/question-resources/parallel_QahytBG.png\"/></p>\n<p>R1 = {R1} ohms</p>\n<p>R2 = {R2} ohms</p>\n<p>R3 = {R3} ohms</p>\n<p></p>\n<p>Total Resistance = [[0]] ohms.</p>\n<p></p>\n<p></p>\n<p></p>", "gaps": [{"type": "numberentry", "useCustomName": true, "customName": "RT", "marks": "1", "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, 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