This color will identify high voltage conductors:
a. white
b. black c. red
d. orange
D
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An RC filter has impedances Z1 = R1 =1k? and Z2 = 1/(j?oC) with C=1µF connected in series and an input voltage vIN(t)= 20 sin (2?fot) V with ?o=1,000 rad/s. If the voltage across Z2 is v0UT(t), the amplitude of vOUT(t) equals _____(x.xx) V.
Fill in the blank(s) with the appropriate word(s).
In general, the sidewall load on any raceway run should not exceed _____.
a. 100 pounds/foot of bend b. 200 pounds/foot of bend c. 350 pounds/foot of bend d. 500 pounds/foot of bend
Generally, ____________________ days is defined as the maximum length of time permitted for temporary wiring.There are exceptions.
Fill in the blank(s) with the appropriate word(s).
In an optoisolator, a ____ is used to trigger a phototransistor.
a. light-emitting diode b. transistor c. rectifier d. rheostat