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Electronics questions about AC, DC and digital theory.

Experience in the area

Graduate electrical engineer with over 40 years in electronic design, manufacturing, project organization and patent review. Experience in fields of industrial and consumer electronics (audio, video, acoustics, etc.)


IEEE (Institute of Electrical and Electronics Engineers); Senior Life member AES (Audio Engineering Society), Fellow Life member


BSEE University of North Dakota

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Recent Answers from ZZ

2017-03-24 Multilingual Traffic Sign Board.:

Electronics and sign making to do so is not an obstacle to your suggestion.    Since it is not a technical question, then, I hesitate to give an opinion.    The United States is predominantly an English

2017-03-23 Compute Cross Sectional area of Solids.:

Yes, there are many ways of doing so depending on the specific object being considered.  It can be done empirically with instruments or by scanning with laser beam or by computing and measuring with simple

2017-03-22 Bauxite:

Bauxite is NOT a good conductor.  It is an ore dug out of the ground and looks like dirt or mud.    It is not easily fashioned into any type of electrical support material.    It is, however, processed

2017-03-21 Piezoelectric Gas lighters.:

Yes, if it is worth fixing. Often the repair is more of an investment in time and cost of parts than the unit it worth.    http://www.instructables.com/id/Fixing-that-jet-lighter-you-love/    If you do

2017-03-21 Luminous intensity of Chandelier.:

https://sustainabilityworkshop.autodesk.com/buildings/measuring-light-levels    The above link will introduce you to light flux concept which gives way to measuring the total luminosity or brightness from


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