The Resistance Ranking Tasks Concept Builder is a tool that challenges the learner to identify the effect that wire length and cross-sectional area have upon wire resistance. There are 36 total questions that are organized into 12 different Question Groups and spread across three different activities: Resistance and Length, Resistance and Area, and Putting It All Together. Each question presents the learner with a graphic depicting three different wires of either varying length, varying cross-sectional area, or both. Learners tap on buttons in order to rank the three wires according to their relative resistance. Question-specific help is provided for each of the 12 Question Groups. The built-in score-keeping makes this Concept Builder a perfect candidate for a classroom activity.
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