Chapter One: Vector Analysis The use of vectors and vector analysis ...
Chapter One: Vector Analysis The use of vectors and vector analysis ...
Chapter One: Vector Analysis The use of vectors and vector analysis ...
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Electromagnetic <strong>The</strong>orem<br />
(Dr. Omed Ghareb Abdullah) University <strong>of</strong> Sulaimani –College <strong>of</strong> Science – Physics Department<br />
Solution:<br />
In general the Cartesian coordinates are related to cylindrical <strong>and</strong> spherical coordinates by<br />
the following equations:<br />
<br />
r <br />
x<br />
x<br />
2<br />
2<br />
y<br />
y<br />
2<br />
2<br />
z<br />
2<br />
tan<br />
1<br />
tan<br />
y<br />
x<br />
1<br />
y<br />
x<br />
z z<br />
cos<br />
<strong>The</strong>refore these points in cylindrical coordinates are given as follows:<br />
1<br />
z<br />
r<br />
x<br />
(a).<br />
<br />
P1<br />
P1<br />
1<br />
x<br />
2<br />
P1<br />
y<br />
y<br />
P1<br />
2<br />
P1<br />
2<br />
5<br />
<br />
P1<br />
<strong>and</strong><br />
tan<br />
1<br />
y<br />
x<br />
P1<br />
P1<br />
z<br />
P1<br />
0<br />
tan<br />
1<br />
2 <br />
63<br />
1<br />
<strong>and</strong><br />
z<br />
P1<br />
0<br />
P 1(<br />
<br />
5,63 ,0)<br />
x<br />
P2<br />
(b).<br />
<br />
0<br />
P2<br />
<br />
x<br />
2<br />
P2<br />
y<br />
y<br />
P2<br />
2<br />
P2<br />
0<br />
0<br />
<br />
P2<br />
<strong>and</strong><br />
tan<br />
1<br />
y<br />
x<br />
P2<br />
P2<br />
z<br />
P2<br />
3<br />
tan<br />
1<br />
0 <br />
90<br />
0<br />
<strong>and</strong><br />
z<br />
P2<br />
3<br />
P<br />
2<br />
(0,90<br />
<br />
,3)<br />
x<br />
P3<br />
(c).<br />
<br />
1<br />
P3<br />
<br />
x<br />
2<br />
P3<br />
y<br />
P3<br />
y<br />
1<br />
2<br />
P3<br />
<br />
2<br />
<br />
<strong>and</strong><br />
P3<br />
tan<br />
1<br />
z<br />
y<br />
x<br />
P3<br />
P3<br />
P3<br />
2<br />
tan<br />
1<br />
1<br />
45<br />
1<br />
<br />
<strong>and</strong><br />
z<br />
P3<br />
2<br />
P 3(<br />
<br />
2,45 ,2)<br />
Also these points in spherical coordinates are given as follows:<br />
(a).<br />
x<br />
r<br />
P1<br />
P1<br />
1<br />
<br />
x<br />
2<br />
P1<br />
y<br />
y<br />
2<br />
P1<br />
P1<br />
z<br />
2<br />
2<br />
P1<br />
<br />
5<br />
<strong>and</strong><br />
tan<br />
P1<br />
1<br />
y<br />
x<br />
z<br />
P1<br />
P1<br />
P1<br />
0<br />
tan<br />
1<br />
2 <br />
63<br />
1<br />
<strong>and</strong><br />
<br />
P1<br />
cos<br />
1<br />
0<br />
90<br />
5<br />
<br />
P 1(<br />
<br />
5,63 ,90<br />
<br />
)<br />
xP2<br />
0<br />
(b).<br />
<br />
P2<br />
x<br />
2<br />
P2<br />
y<br />
y<br />
P2<br />
2<br />
P2<br />
0<br />
z<br />
2<br />
P2<br />
3<br />
<strong>and</strong><br />
<br />
P2<br />
z<br />
tan<br />
P2<br />
1<br />
3<br />
y<br />
x<br />
P2<br />
P2<br />
tan<br />
1<br />
0 <br />
90<br />
0<br />
<strong>and</strong><br />
<br />
P2<br />
cos<br />
1<br />
3 <br />
0<br />
3<br />
P<br />
2<br />
(3,90<br />
<br />
,0<br />
<br />
)<br />
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