[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: capacitance formula



Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Parpp807-at-aol-dot-com>

In a message dated 9/17/02 6:06:28 PM Central Daylight Time, tesla-at-pupman-dot-com 
writes:

> calculators tend to ignore dimensional analysis. If one considers the
>  > dimensions and not just the numbers, it is immediately obvious that you 
> get
>  > the
>  > same VALUE for A/d in both your examples.

Yes, but let's be careful out there:

>  >       1 in x 1 in / 0.5 in =2 in.

No, it equals 2 in^3

 likewise, 2.54 cm x 2.54 cm / 1.27 cm =
>  > 5.08
>  > cm

Again: cm x cm x cm = cm^3

Cheers,
Ralph Zekelman