User talk:Mhims
Inductor
[edit]Hi, Please can you stop altering the sign of the inductor V-I relationship. There is no negative sign in the standard definition, where I is defined as flowing in the opposite direction from the potential difference arrow. Oli Filth 14:31, 9 July 2007 (UTC) Mhims 14:43, 9 July 2007 (UTC)Because the phase of the current lags that of the voltage by 90 degrees, there must be a minus before the formula. Yes. I see. E=-Ldi/dt and v =-E. Mhims 16:15, 9 July 2007 (UTC)