Re: capacitor amps

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Mddeming-at-aol-dot-com>

In a message dated 4/3/02 2:16:06 PM Eastern Standard Time, tesla-at-pupman-dot-com
writes:


>
> Hi Everyone,
>
> Does anyone know a formula that will convert a caps voltage and capacitance
> to amps?
>      Thanks,
>      Will Daniels



Hi Will,
       This is like trying to convert horsepower into speed.The more HP, the
faster you could go, but it depends on what the engine is hooked to and how far
the pedal is pushed. It is the RATE at which the capacitor discharges that
determines the current (amps) dQ/dt=i. Total Charge depends on C & V, but the
discharge rate depends on the internal structure of the cap and the
characteristics of the circuit its in.  At any instant, the energy stored in
the cap is E=0.5CV^2, but V and i are exponential functions of time, not simple
linear relationships.:-(

Matt D.