What is the equivalent impedance, in rectangular form, of the series combination of 1<0°> and 1?
A. 2 + 2j
B. 0
C. 2 ? 2j
D. 1 ? j
E. 1 + j
Answer: D
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a. cathodic protection b. galvanic action c. thermoweld d. stray current
Which of the following are defined by the NEC® as separate portions of a conduit that provide access through a removable cover to the interior of the system at a junction of two or more sections?
a. Conduit bodies b. Junction boxes c. Pull boxes d. Entrance ells
A _____________________ microbe is one that grows well at room temperature
Fill in the blank(s) with correct word
Typical methods of transportation to a wind turbine include: surface vessel, service truck, and _________.
A. helicopter B. ultra-light C. water skis D. Amtrak