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A 200mA sınusoidal current is injected into the rectangular block of homogeneous material shown below. An infinite resistance in the area surrounding the material can be assumed. A 13V difference is measured between the electrodes placed 10cm apart in the x direction. a. Calculate the resistivity and resistance of the material (10pts) b. Draw both the flux and equipotential lines (10pts) C. Comment on the expected accuracy of measuring resistance using the 2W method (5pts) 3 C 3.5 200mA 200mA 10 cm

engineering   Electrical-Engineering   
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Answer #1

Ohms Lan ohere v s the potenbial diffevence i cunsent floming and R is sesistance Given Vs3 V 13 R65 ohms mateial L. Length soem eRA 65x 35 10 . Resis ti 句 Fux Wnes Eqwipotenbial lin oomA Reason: Cusent flow low two-wihe C) meamse ment, voltage connechin leads iu also included in kesictance measurement Good sesis tance test leads will have 0.02n pee meter Fox to ens it is xo 0 213

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