Inductive reactance increases as the _____
a. frequency increases
b. frequency decreases
c. impedance increases
d. impedance decreases
a
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Las tuberías de gas caliente se aislan cuando se ubican _____.
a. en una habitación de almacenamiento en frío b. un espacio ignífugo c. afuera d. debajo del piso
The second principal function of resistors is to produce a(n) ____ divider.
a. resistance b. inductance c. voltage d. current
Poured-in-place concrete differs from ____ that is poured into forms at a manufacturing plant and then shipped to the jobsite and erected in piece.
A. precast concrete B. molded concrete C. ready-made concrete D. prefabricated concrete
Find the phase angle at which an instantaneous voltage of 144 appears in a wave with a peak value of 500 volts. Round the answer to the nearer degree.
Fill in the blank(s) with the appropriate word(s).