Like W C Fields: "I believe that I will have another beer" But the fridge is bare so that is a false belief __________________________________________ David C Brown 43 Bings Road Whaley Bridge High Peak Phone: 01663 733236 Derbyshire eMail: dcb.home@gmail.com SK23 7ND web: www.bings-knowle.co.uk/dcb *Sent from my etch-a-sketch* On Thu, 7 Mar 2019 at 12:33, RussellMc wrote: > On Thu, 7 Mar 2019 at 10:36, Brooke Clarke wrote: > > > Hi Russell: > > > > The 1 ma is regulated in the Fluke 87 in diode mode. > > Here are some numbers: > > mA Volts > > 1 2.52 > > ... > > 100 3.08 ... > > > That confirms that the 5 LEDs are in parallel. > > 20 mA/LED is a common max rating (but certainly not universal). > The filament is then taking 308 mW and producing probably 30 - 45 lumen. > > How many filaments in the whole lamp. > 4 in image ? > That would be only 1.2W at 100 mA. > And not much more than 4 or 5 Watts based on your 'smoke test'. > > Is a lumen rating stated? > > __________________ > > 2. Everybody, with no exceptions, holds false beliefs. > > > > Is that so? :-) > > I try to hold a core minimum of 'beliefs' surrounded by shells of working > hypotheses. > WH's are never false, per se, just never optimum :-). > (Scientific method :-) ). > > I'm aware that my core beliefs are "questionable" to others. That's > acceptable. > I HOPE that they are such as to go a fair way towards optimising outcomes > for most people I encounter. > Inasmuch as 'beliefs' reflect 'facts' (whatever they are) one is not free > to fine tune core beliefs to attempt to optimise perceived outcomes, but, > if ones finds that the apparent facts on which core beliefs are based see= m > to have been preoptimised for perceived outcomes then, so much the better > :-). > > > Russell > > > > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .