What are the three types of opposition to current flow that impedance represents?
What will be an ideal response?
resistance, inductive reactance, and capacitive reactance
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A ____ weld is a continuous weld made on or between overlapping members of a joint.
A. butt B. joint C. positive D. seam
Circuit breakers and fuses can be connected in parallel provided they are ____.
A. rated at 100 amperes or less B. installed along the main feeder line C. rated at 100 amperes or more D. factory assembled and listed as a unit
Which of these amplifiers provides a high input resistance and a variable gain?
A) open-loop amp B) non-inverting amp with a rheostat as Rf. C) voltage-follower amp D) inverting amp
When using the option of a revolved section, ____.
A. the piece rotated must be completely broken away from the rest of the object B. the piece rotated should have section lines C. the piece rotated should not have dimensions describing it D. the piece rotated should be in a space close by and labeled with the appropriate cutting plane label E. none of the above