Sketch the hysteresis loop of the B-H curve for a ferromagnetic material with proper labels at room temperature. Calculate the electrical conductivity of a 6.0 mm diameter cylindrical silicon specimen of 60 mm long in which a current of 0.5 A passes in an axial direction. A voltage of 12.5 V is measured across two probes that are separated by 40 mm. i. Compute the electrical conductivity of the specimen. ii. Compute the resistance over the entire 60 mm of the specimen using the data in (i).
Sketch the hysteresis loop of the B-H curve for a ferromagnetic material with proper labels at room temperature. Calculate the electrical conductivity of a 6.0 mm diameter cylindrical silicon specimen of 60 mm long in which a current of 0.5 A passes in an axial direction. A voltage of 12.5 V is measured across two probes that are separated by 40 mm. i. Compute the electrical conductivity of the specimen. ii. Compute the resistance over the entire 60 mm of the specimen using the data in (i).
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Transcribed Image Text:(c) Sketch the hysteresis loop of the B-H curve for a ferromagnetic material with
proper labels at room temperature.
(d) Calculate the electrical conductivity of a 6.0 mm diameter cylindrical silicon
specimen of 60 mm long in which a current of 0.5 A passes in an axial
direction. A voltage of 12.5 V is measured across two probes that are
separated by 40 mm.
i.
Compute the electrical conductivity of the specimen.
ii.
Compute the resistance over the entire 60 mm of the specimen using the
data in (i).
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