Question

Please answer and explain how its done.

The figure below displays the shape of a variable cross-section resistor made out of a conductive material with the resistivity p=3.2 x 10-82.m. This resistor was cut out of a material plate of thickness h=1.26 mm and has a variable width, changing linearly from a=6.9 mm at one end to b=1.7 mm at the other end. Its length along the current direction is l=40.9 cm. b 1 a Find reistance R of this resistor: R= mΩ. If the voltage across this resistor V=1.1 V, what is the strength E of the driving electric field in the "middle" cross-section of width (a+b)/2=4.3 mm?: V/m. E=

Answer 1

Answer:

Explanation:

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