Inductance from flux linkage

Gives the self-inductance of a circuit element as the total magnetic flux linkage divided by the current producing it. It is used to characterise coils and inductors and how strongly they oppose changes in current.

L = \frac{\Psi}{I}

What the symbols mean

self-inductance of the circuit, in henries (H)
total magnetic flux linkage through the circuit, in webers (Wb)
electric current through the circuit, in amperes (A)

About this formula

  • FieldPhysics
  • TopicElectromagnetism
  • LevelUniversity
  • Also calledself-inductance, inductance formula, magnetic inductance, flux linkage over current, L equals flux linkage divided by current, inductance definition
  • SourceWikidata Q177897

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