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Science Teacher Training in an Information Society
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Teaching with computer models

USIE

Workshop 1

Introduction
Section A
Section B
Activity B1
Activity B2
Activity B3
Activity B4
Activity B5
Section C
Section D
Section E
Section F
Section G

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Section B  Learning about the innovation

Activity B4  Dealing with several variables (cont.)
Page 4 of 4
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Electricity


Model 4b.1

In this model, there are three components, two of which are in parallel, and the power output is calculated separately for each of them. As for the series circuit in Model 3b.2, it does this by calculating the voltage drop across each of the components and the current through each component, and then finding the power from the formula:

P = V I

The cells are duplicated so that different vales for the variables can be entered and the results compared.



 

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