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From: John Larkin on 28 May 2010 20:01 On Fri, 28 May 2010 18:39:10 -0500, "krw(a)att.bizzzzzzzzzzzz" <krw(a)att.bizzzzzzzzzzzz> wrote: >On Fri, 28 May 2010 16:33:15 -0700, "Joel Koltner" ><zapwireDASHgroups(a)yahoo.com> wrote: > >><krw(a)att.bizzzzzzzzzzzz> wrote in message >>news:ivj0065hunv7sf3nn7gbs8ksbiunkm3lev(a)4ax.com... >>> He didn't tell you to measure it! ;-) >> >>Yeah, but until you measure it, couldn't it simultaneously be many different >>voltages? Like how Schroedinger's cat is both dead and alive at the same time >>until you actually go to look at it? :-) > >I thought he was hiring an engineer, not a physicist or philosopher. "Five" would do just fine. John
From: Michael A. Terrell on 28 May 2010 20:23 Jamie wrote: > > John Larkin wrote: > > > On Thu, 27 May 2010 14:38:24 -0400, "Michael A. Terrell" > > <mike.terrell(a)earthlink.net> wrote: > > > > > >>John Larkin wrote: > >> > >>>On Thu, 13 May 2010 09:23:56 -0700, "Joel Koltner" > >>><zapwireDASHgroups(a)yahoo.com> wrote: > >>> > >>> > >>>>"John Larkin" <jjlarkin(a)highNOTlandTHIStechnologyPART.com> wrote in message > >>>>news:6r5ou5lcgjqv2cg8vbg1831506uqtmod4g(a)4ax.com... > >>>> > >>>>>Such brilliance! How do they keep doing it? > >>>> > >>>>A lot of graduating BSEEs today never really got that whole thing about > >>>>superposition, I suspect? :-) > >>>> > >>>>Hmm... there might be a good interview question in there somewhere... "It's > >>>>clear you can use an op-amp to sum an arbitrary number of inputs -- both with > >>>>positive and negative gains -- but why is it that the vast majority of the > >>>>time in an 'application example' you see people suggest only the inverting > >>>>form?" > >>>> > >>>>Although I think it was Jim or someone who mentioned that these days some > >>>>people don't even get past, "What's the approximate Vbe of any unremarkable > >>>>transistor at reasonable currents?" :-) > >>> > >>>I like this as a test: > >>> > >>> +10V > >>> | > >>> | > >>> | > >>> | > >>> c > >>> +5V--------------b > >>> e > >>> | > >>> | > >>> 1K > >>> | > >>> | > >>> | > >>> | > >>> gnd > >>> > >>>What's the base voltage? > >>> > >>>What's the base current? > >>> > >>>What's the emitter voltage? > >>> > >>>What's the collector current? > >>> > >>>What's the collector voltage? > >> > >> > >> What type of transistor? NPN or PNP? > > > > > > > > Thank you for coming by to interview. Best of luck. > > > > John > > > > > :) Why are you smiling? Do you think he hires illiterates like you? -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge.
From: krw on 28 May 2010 21:27 On Fri, 28 May 2010 17:01:01 -0700, John Larkin <jjlarkin(a)highNOTlandTHIStechnologyPART.com> wrote: >On Fri, 28 May 2010 18:39:10 -0500, "krw(a)att.bizzzzzzzzzzzz" ><krw(a)att.bizzzzzzzzzzzz> wrote: > >>On Fri, 28 May 2010 16:33:15 -0700, "Joel Koltner" >><zapwireDASHgroups(a)yahoo.com> wrote: >> >>><krw(a)att.bizzzzzzzzzzzz> wrote in message >>>news:ivj0065hunv7sf3nn7gbs8ksbiunkm3lev(a)4ax.com... >>>> He didn't tell you to measure it! ;-) >>> >>>Yeah, but until you measure it, couldn't it simultaneously be many different >>>voltages? Like how Schroedinger's cat is both dead and alive at the same time >>>until you actually go to look at it? :-) >> >>I thought he was hiring an engineer, not a physicist or philosopher. > >"Five" would do just fine. Spoilsport.
From: Michael A. Terrell on 28 May 2010 22:26 "krw(a)att.bizzzzzzzzzzzz" wrote: > > On Fri, 28 May 2010 19:13:05 -0400, "Michael A. Terrell" > <mike.terrell(a)earthlink.net> wrote: > > > > >John Larkin wrote: > >> > >> On Fri, 28 May 2010 10:34:22 -0700, "Joel Koltner" > >> <zapwireDASHgroups(a)yahoo.com> wrote: > >> > >> >"John Larkin" <jjlarkin(a)highNOTlandTHIStechnologyPART.com> wrote in message > >> >news:9f7uv5purnraa511gl0cunsek4v96d2uvh(a)4ax.com... > >> >> On Thu, 27 May 2010 14:38:24 -0400, "Michael A. Terrell" > >> >>> What type of transistor? NPN or PNP? > >> >> Thank you for coming by to interview. Best of luck. > >> > > >> >No, no, John, your follow-up question is supposed to be about how one would go > >> >about measuring the height of a building with a barometer, wherein you see > >> >whether or not the many alternatives to the "intended" answer (e.g., "I go to > >> >the buliding superintendent and tell him I'll give him this fancy new > >> >barometer if he just tells me the height of the building") are sufficiently > >> >entertaining or not. :-) > >> > > >> >There is sometimes a blurry line between "this is intended to be a > >> >straighforward problem and you should make any reasonable assumptions > >> >necessary" and "this is something of a trick question and you need to proceed > >> >like a lawyer unraveling the tax code to have any hope of ascertaining the > >> >answer we've deemed as correct." > >> > > >> >---Joel > >> > >> This is not a sit-down test. This is a thing I scribble and talk > >> about. There is no intent to be tricky, but I need to know if the > >> person understands fundamantals. > >> > >> I use this one too: > >> > >> +10V > >> | > >> | > >> | > >> R=1K > >> | > >> | > >> +-------- A > >> | > >> | > >> R=1K > >> | > >> | > >> | > >> gnd > >> > >> What's the voltage at "A" ? > >> > >> I'm not kidding. Lots of people don't know. They mumble about not > >> remembering the equation. > >> > >> John > > > > > > In theory, it is exactly +5 volts. If you use an old 1K ohm per volt > >voltmeter to read it, it will be 4.5454545454545454545454545454545 > >volts. (give or take a few digits) > > He didn't tell you to measure it! ;-) The engineer calculates it, the tech measures it. -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge.
From: YD on 28 May 2010 23:01
Late at night, by candle light, "Joel Koltner" <zapwireDASHgroups(a)yahoo.com> penned this immortal opus: >"John Larkin" <jjlarkin(a)highNOTlandTHIStechnologyPART.com> wrote in message >news:9f7uv5purnraa511gl0cunsek4v96d2uvh(a)4ax.com... >> On Thu, 27 May 2010 14:38:24 -0400, "Michael A. Terrell" >>> What type of transistor? NPN or PNP? >> Thank you for coming by to interview. Best of luck. > >No, no, John, your follow-up question is supposed to be about how one would go >about measuring the height of a building with a barometer, wherein you see >whether or not the many alternatives to the "intended" answer (e.g., "I go to >the buliding superintendent and tell him I'll give him this fancy new >barometer if he just tells me the height of the building") are sufficiently >entertaining or not. :-) > Go to the top of the building with the barometer and a stopwatch. Drop the barometer and start the stopwatch. You can figure the rest. - YD. -- Remove HAT if replying by mail. |