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From: liz@poppyrecords.invalid.invalid (Liz Tuddenham)
Newsgroups: sci.electronics.design
Subject: Re: Interview Question (your Sunday ruined part 2)
Date: Mon, 21 Oct 2024 17:55:10 +0100
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john larkin <JL@gct.com> wrote:

> On Mon, 21 Oct 2024 01:59:03 +0200, Lasse Langwadt <llc@fonz.dk>
> wrote:
> 
> >On 10/20/24 23:17, john larkin wrote:
> >> On Mon, 21 Oct 2024 01:18:29 +0530, Pimpom <Pimpom@invalid.invalid>
> >> wrote:
> >> 
> >>> On 21-10-2024 12:46 am, Cursitor Doom wrote:
> >>>> On Sun, 20 Oct 2024 12:12:22 -0700, john larkin wrote:
> >>>>
> >>>>> On Sun, 20 Oct 2024 14:59:18 -0400, "Edward Rawde"
> >>>>> <invalid@invalid.invalid> wrote:
> >>>>>
> >>>>>> "john larkin" <JL@gct.com> wrote in message
> >>>>>> news:2rjahj1m5itht9k5nlh5p9q11onumbbb5s@4ax.com...
> >>>>>>> On Sun, 20 Oct 2024 19:32:45 +0200, Jeroen Belleman
> >>>>>>> <jeroen@nospam.please> wrote:
> >>>>>>>
> >>>>>>>> On 10/20/24 19:18, Cursitor Doom wrote:
> >>>>>>>>> John Larkin has from time to time posted some elementary questions
> >>>>>>>>> he likes to torture his job applicants with. I'd like to propose one
> >>>>>>>>> of my own.
> >>>>>>>>>
> >>>>>>>>> If I'm measuring 218 ohms between points A and B in this diagram,
> >>>>>>>>> what is the value of Rx?
> >>>>>>>>>
> >>>>>>>>> https://disk.yandex.com/i/hxjWx0tDUCzxiA
> >>>>>>>>
> >>>>>>>> 517 Ohms.
> >>>>>>>>
> >>>>>>>> Jeroen Belleman
> >>>>>>>
> >>>>>>> Does R330 mean 0.33 ohms?
> >>>>>>>
> >>>>>>> I hate that sort of notation, like 2k47.
> >>>>>>
> >>>>>> I keep having difficulty not using it in LTSpice.
> >>>>>>
> >>>>>> 0.33 ohms would be 0R33
> >>>>>>
> >>>>>>
> >>>>> Unless you believe in physics/SI notation.
> >>>>>
> >>>>> So is R330 the reference designator?
> >>>>
> >>>> Sorry, foreign notation. It's 330 ohms and 47 ohms.
> >>>
> >>> Thought so.
> >>> Personally, I sometimes use the European style of placing decimal values
> >>> after the unit name, especially when space is limited as in a packed
> >>> schematic. 4k7 takes up slightly less space than 4.7k *and* there's no
> >>> chance of missing the decimal point. Likewise values like 6n8
> >> 
> >> Maybe european decimal points slide off drawings and fall on the
> >> floor. Robust American decimal points and schematic connect dots don't
> >> do that.
> >> 
> >> How are things priced in a grocery store? Is the 'euros' symbol
> >> straddled by numbers on both sides?
> >
> >no but € is behind the number not in front of it like $ ;)
> >
> 
> But if it's priced in cents, the cents symbol goes last.
> 
> We follow SI rules in engineering, but in everyday life the quirky old
> stuff is sort of fun. We measure distances in blocks or football
> fields and fluid volume in olympic-size swimming pools, or sometimes
> acre-feet.
> 
> 4k7 is not an SI unit of measure.

....or even measurement?

I once heard the BBC's ' Environment Analyst' describe air pressure in
Degrees Centigrade.



-- 
~ Liz Tuddenham ~
(Remove the ".invalid"s and add ".co.uk" to reply)
www.poppyrecords.co.uk