A Si cylindrical specimen was 5.1mm in diameter and 51 mm in length, a current has flowed in the length direction of a 0.1 A, and a voltage of 12.5 V was measured between two probes separated by 38 mm. Calculate the electrical conductivity and deduce the resistance of the sample over its full 51 mm length.

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Hall Effect Sensors

The hall effect sensor is an electronic device designed to detect the effect of the hall, and converts its findings into electronic data, or opening and closing the circuit, providing a magnetic field measurement, processed by an embedded computer or displayed on a visual connector.