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Published byKory Spencer Modified over 8 years ago
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Creating Questions from Learning Objectives (1) E.g. The Learning objective is "Students should be able to use Kirchoff's voltage and current laws to analyze resistive circuits"
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Creating Questions from Learning Objectives (2) Q1 A circuit is made of three 1.5V cells as shown.. What current, in Amps, will flow from B to A in this circuit? Could just ask for numeric answer Ans = 4.5/90 = 0.05Amps Then Must make sure it is unambiguous how to answer. e.g 0.05 Amps 0.05 A 5.0 * 10E-2 A mA 30 A C B1.5V + + + - - -
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Creating Questions from Learning Objectives (3) For multiple choice, list the answer among some distracters. What would be good distracters? 90/4.5? 90*4.5? 0.5? -0.05? (watch out for this one!)
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Working from a past Exam Question Clearly question b is ripe for turning into a multiple choice or numeric answer. What was the point of (the second part) of part a? There are many permutations from this question
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Working from known student mistakes Let us assume that students regularly make a mistake with their sums when working out resistance in parallel
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12 V 100 ohms 200 ohms 100 ohms 300 ohms A B C I1I1 I2I2 I3I3 I4I4 We could also ask formative questions. 1.What is V AC ? 2.What is resistance of upper loop between A and C? 3.What is I 1 ? 4.What is effective resistance between BC? 5.What is effective resistance of lower loop A to C? 6.What is V AC 7.What is V BC ? 8.What is resistance of upper loop B to C? 9.What is I 3 ? (or we might miss 8 on the basis of 1-3 above) We could ask a straight numeric question such as "What is I 1 ?" "What is I 3 ?" These would be summative questions.
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