Coil..induced voltage?
Hi,
I have a question about this formula.
I have to explain using the formula which of the physical quantities must change there in order to get an induced voltage U_i.
I could actually rewrite L to
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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.
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.