What does the variable "k" mean in the solenoid equation in the picture attached?
Many thanks for the help.
Source: Theory & Practice of Electromagnetic Design of DC Motors & Actuators
George P. Gogue & Joseph J. Stupak, Jr.
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Sign up to join this communityWhat does the variable "k" mean in the solenoid equation in the picture attached?
Many thanks for the help.
Source: Theory & Practice of Electromagnetic Design of DC Motors & Actuators
George P. Gogue & Joseph J. Stupak, Jr.
This might help: -
Force = \$(N\cdot I)^2\cdot 4\pi 10^{-7}\cdot \dfrac{A}{2g^2}\$
If current, area and turns are constant, Force is inversely proportional to the gap squared (\$\ell^2\$). Formulas taken from this question.