[SI-LIST] Re: Voltage drop across the Inductance
- From: "Zabinski, Patrick J." <zabinski.patrick@xxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Sat, 11 Jan 2003 18:36:48 -0600
Where Eq (1) is valid in the general case, Eq (2) is valid
for a subset when i = I * cos(wt)
When i = I * cos(wt)
then the magnitude of di/dt = |I * w * sin(wt)|
= w * I
= 2 * pi * f * I
Outside of sinusoidal waveforms, I don't believe the second
equation is valid.
Pat
> Hello,
>
> we know that voltage drop across an inductance is
> given by
>
> V = Ldi/dt. --(1)
>
> Also, Impedance multiplied by the current, should
> give the volatge drop i.e
>
> V= 2*pi*f*L*i --(2)
>
> Can this imply, I can equate equations (1) and (2)?
> If not, under what conditions (1) and (2) can be
> applied?
>
> Thanks and regards,
> Jayaprakash.
>
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