1. Using the data table below regarding the coil of wire, use Equation 2 to calculate the theoretical value of the resistance, Rtheo for each of the five coils and record the results in the empty slots, also below. Copper Resistivity (m) German Silver Resistivity (22m) 1.72E-08 2.80E-07 Coill Material Resistivity (m) 1.72E-08 Length (m) 10 Diameter (m) 0.0006439 Radius (m) Area (m²) Rabo (2) Coil2 Coil3 Coil4 1.72E-08 1.72E-08 1.72E-08 10 20 20 0.0003211 0.0006439 0.0003211 Coil5 2.80E-07 10 0.0006439

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Microscopic view of current

In physics, the term current is expressed as the rate of flow of electric charges across the area per unit time (I=q/t). It propagates along in the direction of the motion of positive charges. When the current is caused by the motion of electrons, the direction of the current is opposite to the flow.