An RL time constant is the time required for the current in an RL switching circuit to increase (or decrease) by what percent of its maximum possible ?I?
A) 95% B) 63.2% C) 98.2% D) 86.5%
B
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Si es necesario añadir un segundo electrodo de tierra, el espacio mínimo de separación entre los dos electrodos debe ser de_______.
a. 12' (3,65 m) b. 10' (3,04 m) c. 8' (2,43 m) d. 6' (1,83 m)
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Waterfowl prefer to nest in undisturbed upland areas with _____
a. dense cover b. crops close by c. little cover d. rolling hills
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Citrus fruits are high in vitamin _____
a. A c. D b. C d. B
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A ________ is all the framing below the rafter extensions that close in the roof system at the eaves
A) MDO B) Cornice C) Tributary area D) Drip line
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