The diac is similar in operation to a PN junction diode, except that the diac conducts current ____.
a. in high power
b. in both directions
c. in DC only
d. in AC only
b. in both directions
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When filling a partial burn in a board, you prepare a mixture of epoxy and fiberglass powder. Why is the powder added?
What will be an ideal response?
Spliced fiber-optic cable can be housed in a _____.
a. standard universal telephone closure b. special fiber-optic closure only c. patch panel d. conduit body
Life Cycle Assessment (LCA), also called ____ assessment, is a technique to evaluate or assess all of the environmental impacts involved with the harvesting, mining, or manufacture; transportation; use; repair and maintenance; and eventual disposal of a product.
A. cradle-to-grave B. cradle C. grave D. grave cycle
Which device produces electrical current resulting from heating of two dissimilar conductors?
A) Volt meter B) Ammeter C) Thermocouple D) None of these