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Lutz28213
2 years ago

The second equation tells you what physical variables the WERT of the inductance L is determined by. Note: L is the symbol for an inductance. The coil is a possible (mechanical) realization of L—but also includes, for example, an (unintentional) ohm resistance.

The first equation says something about the inherent prowes and the possibilities of use of an inductance: In this case, it is the induction of a voltage when the current changes through L. You can also change the equation so that the flowing current then depends (via an integral) on the voltage at the coil.

Halswirbelstrom
2 years ago

This formula calculates the self-induction voltage in a coil whose inductance L is. The self-induction voltage arises when the current intensity changes over time. A temporally constant current (dI/dt=0) does not generate a self-induction voltage.

LG H.