Self inductance

  • #1

Main Question or Discussion Point

Consider a solid cylinder of radius R. an varying current of current density δ flows through. what would be self inductance of that cylinder
 

Answers and Replies

  • #2
berkeman
Mentor
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Consider a solid cylinder of radius R. an varying current of current density δ flows through. what would be self inductance of that cylinder
What is the context of the question? Is this for schoolwork?
 
  • #3
Philip Wood
Gold Member
1,221
75
I think the inductance per unit length is infinite. To get a realistic finite value you need to consider the 'return' conductor carrying the same current in the opposite direction. The easiest case is when this conductor is a cylindrical shell co-axial, but spaced apart from, the solid cylinder.
 

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