Electrical Engineering A cylindrical hollow pipe is made of steel (μr = 180 and σ = 4 x10^6 S/m). The external and internal radii are 7 mm and 5 mm. The length of the tube is 75 m. The total current I(t) flowing through the pipe is: I(t)= 8 cos(ωt) with ω=1200π rad/s Determine: d) The intrinsic impedance of the good conductor. Remember that:   Transcribed Image Text:η = = √2/45° σ·δ

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Capacitor

The capacitor is an element used to store electrical energy in the electrical field. A capacitor is a form of passive energy.