IV characteristic graphs plot current against potential difference for a component, and the graph builder draws the three the specification names, an ohmic conductor, a filament lamp and a diode, on symmetric axes so the negative side is there too. It is the required practical result, accurate, and ready for the board or a worksheet.
A hand-built replica of the real builder page, not a screenshot. Every control shown exists in the product.
Part of the Graph builder, Half life graphs, Velocity time graphs, Infrared radiation graphs and Distance time graphs pages.
The ohmic conductor above is a straight line through the origin, and the resistance dropdown changes its gradient, one over R, so the class sees a steeper line mean a smaller resistance. Switch to the filament lamp and the line bends over as the filament heats up, and the diode sits at zero until the threshold and then turns on sharply, exactly the three shapes the paper asks pupils to sketch and explain.
The lamp is where marks go. Pupils see the curve flatten and say the resistance is falling, when the flattening means less current per volt and a rising resistance. With the ohmic line beside it you can ask what the gradient is doing on each, and the negative quadrant shows the reversal for the conductor and the lamp against the diode that lets nothing through.
Diagnostic multiple choice. Each answer reveals what the class does and doesn't understand.
Answers revealed when you click. Great for starters or extension questions.
Match keywords to their definitions. Great for prior learning or end-of-lesson review.
Every tool turns a few inputs into a clean, exam-ready diagram.
Decay curves for real isotopes with the half life read off a dashed construction line.
Braking, acceleration and terminal velocity scenarios on GCSE graph paper, with the area under the line as distance.
Heating to equilibrium and cooling curves for matt black, matt white and shiny silver surfaces.
Journeys you edit point by point on GCSE graph paper, with a tangent tool that reads the speed off the gradient.
Equation selection, rearrangement and substitution practice, step by step.
Free-body diagrams, resolve into components, find the resultant on GCSE graph paper.
Before and after collision diagrams with selectable unknowns and a step-by-step reveal.
Graph-paper lens, focal points and object for teaching ray construction.
Curated GCSE nuclear equations covering alpha, beta, fission, fusion and decay chains.
Build circuits from standard GCSE symbols and components.
Practical results tables with repeat readings, a mean and an optional anomaly, plus curated reference data.
Upload any diagram and the labels are suggested for you to drag, edit and blank.
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