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by: Zelma Ward

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# Electromagnetics ENGR367

Zelma Ward
Messiah College
GPA 3.56

HaroldUnderwood

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COURSE
PROF.
HaroldUnderwood
TYPE
Class Notes
PAGES
2
WORDS
KARMA
25 ?

## Popular in Engineering and Tech

This 2 page Class Notes was uploaded by Zelma Ward on Thursday October 15, 2015. The Class Notes belongs to ENGR367 at Messiah College taught by HaroldUnderwood in Fall. Since its upload, it has received 43 views. For similar materials see /class/223500/engr367-messiah-college in Engineering and Tech at Messiah College.

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Date Created: 10/15/15
Electromagnetics ENGR367 MATLAB les function ymagvectorR Calculates the magnitude of a Cartesian vector R ysqrtRlA2 R2A2 R3A2 function yunitvectorR Calculates the unit vector of a Cartesian vector R yRmagvectorR MFile MLP0310 Find the magnetic eld intensity at any observation point resulting from a ring of radius a and current I in the aphi direction centered in the Xy plane dfl increment in degrees al ring radius in m 11 current in A Roinput vector location of observation point in the form X y z for jldf360 increments phi f from 1 to 360 in df steps Frjpi 180 converts phi Fr into radians RsacosFr asinFr 0 de nes src pt vector as ftn of phi Fr asunitvectorRs nds src pt unit vector dLadfpi180cross0 0 las nds dL vector mag amp dir RsoRoRs nds vector Rso from src to obs pt asounitvectorRso unitizes Rso dHIcrossdLaso4pimagvectorRsoA2 nds dH by BiotSavart dHXQdHl isolates Xcomponent dHyGdH2 isolates ycomponent deQdH3 isolates zcomponent end terminates phi loop HsumdHX sumdHy sumde sums 360 contrib s to each comp of H at the speci ed observation point MFile MLP0310HRU Plot the magnetic eld intensity along the zaXis from AZ 0 to 010 m resulting from a ring of radius a and current I in the aphi direction centered in the Xy plane dfl increment in degrees al ring radius in m 11 current in A Roinput39initial vector location of obs point in the form X y z for il100 increments the i counter from 1 to 100 for jl df360 increments phi f from 1 to 360 in df steps Frjpi 180 converts phi Fr into radians RsacosFr asinFr 0 de nes src pt vector as ftn of phi Fr asunitvectorRs nds src pt unit vector dLadfpi180cross0 0 las nds dL vector mag amp dir RsoRoRs nds vector Rso from src to obs pt asounitvectorRso unitizes Rso dHIcrossdLaso4pimagvectorRsoA2 nds dH by BiotSavart dHXQdHl isolates Xcomponent dHyGdH2 isolates ycomponent deQdH3 isolates zcomponent end terminates phi loop Ro3Ro3 i 1000 increments Roz based on the i counter HsumdHX sumdHy sumde sums 360 contrib s to each comp of H at the speci ed observation point HXlHl stores Xcomponent of H HyiH2 stores ycomponent of H HziH3 stores zcomponent of H en terminates i loop z0il 1000 generates zaXis values in meters plotzHXzHyzHz plots each component of H versus 2 Xlabel zaXis values in meters creates XaXis label of plot ylabel39Magnetic Field Intensity HNm creates yaXis label of plot title Hcomponents vs 2 for a 1A current ring of 1m radius39 title grid puts a grid on the plot

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