A rectangular cross-section conductor has length/cross-sectional area ratio of 700 × 106 m-'. A current of 5 mA produces a voltage drop of 100 mV across the length. Determine the electron concentration given that the electron mobility is 500 cm²/Vs.

A rectangular cross-section conductor has length/cross-sectional area ratio of 700 × 106 m-'. A current of 5 mA produces a voltage drop of 100 mV across the length. Determine the electron concentration given that the electron mobility is 500 cm²/Vs.

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 14RQ

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Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.

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A rectangular cross-section conductor has length/cross-sectional area ratio of 700 x 106 m-1,
A current of 5 mA produces a voltage drop of 100 mV across the length. Determine the
electron concentration given that the electron mobility is 500 cm²/Vs.

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