Inquiry Lab Kits for Physics - Resistance and Resistivity Manufacturer,Supplier and Exporter in India
Product Code : EL-EI-11139
All matter has one thing in common—resistivity, an intrinsic property that resists the flow of electricity.
However, resistivity is a small part of determining the resistance of a specific material.
Metal wire is a terrific conductor, but the length and thickness (gauge) of the wire can hinder the flow of electricity.
In this advanced-inquiry lab, students study how these three factors—resistivity, length and gauge—affect resistance.
Students begin by investigating the resistance of nichrome wire using a multimeter and varying the separation of the measuring probes.
This procedure provides a model for the guided-inquiry activity, during which students design an experiment to determine the effect the gauge of wire has on resistance.
Error analysis of resistivity for each gauge of wire provides students with a method to assess their experimental design.
Students may also investigate further by studying the effect temperature has on resistance.
Complete for 24 students working in pairs.
All materials are reusable.
Multimeters and meter sticks are required and available separately.
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