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and there are no bulbs to replace
instead they can focus on exploring the outside world
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black matt on the other
Ideal for active playtimes
Investigating Resistivity Clearance and there are no bulbsLow cost apparatus for student investigation into resistance, length and cross sectional area Also acts as a bridge or potentiometer. This 40cm Resistance Board is designed to allow students to investigate resistance quantitively. The board is fitted with 4mm terminals connected by a length of resistance wire against a scale, and a jockey. Wire samples are provided. These are 0. 30mm, 0. 44mm and 0. 54mm in diameter. Experiments into the relationship
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