Calculate the inductance of the below solenoid with air core in microHenries ( μμH ) where the length is l=3.1 cm, the cross-sectional area of the air core is S=2.4 cm2 and the number of turns of the wire is N=803.

Calculate the inductance of the below solenoid with air core in microHenries ( μμH ) where the length is l=3.1 cm, the cross-sectional area of the air core is S=2.4 cm2 and the number of turns of the wire is N=803.

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

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter9: Components For Electric Motors

Section: Chapter Questions

Problem 12RQ

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Dielectric Breakdown

A dielectric is a material with low electrical conductivity and so is classified as an insulator. Dielectric materials are used to block the flow of electricity through them, allowing them to behave as an insulators. They can also be used to store electric charge or improve capacitance.Dielectrics have no free electrons for conduction because electrons are tightly bound to the nucleus. Because dielectrics contain a small number of electrons for electrical conductivity, they have a dipole. The two primary roles of dielectrics in electrical devices are insulation and electrical energy storage. An electric field polarizes the dielectric, and the polarization of the molecules allows dielectric materials to store charge.

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length I
S
cross-
sectional
area of the
number
of turns
N
air core

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