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Field and Wave Electromagnetics 2nd Edition by David Cheng
Edition 2ISBN: 978-0201128192Field and Wave Electromagnetics 2nd Edition by David Cheng
Edition 2ISBN: 978-0201128192 Exercise 80
The scalar magnetic potential, V m , due to a current loop can be obtained by first dividing the loop area into many small loops and then summing up the contribution of these small loops (magnetic dipoles); that is
where dm = a n I ds
Prove that
where is the solid angle subtended by the loop surface at the field point P (see Figure).
Figure: Subdivided current loop for determination of scalar magnetic potential
where dm = a n I ds
Prove that
where is the solid angle subtended by the loop surface at the field point P (see Figure).
Figure: Subdivided current loop for determination of scalar magnetic potential
Explanation
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Field and Wave Electromagnetics 2nd Edition by David Cheng
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