Physics, 16.09.2019 06:20 tae8002001
An electric current that changes directions at regular intervals is called
a. directional current.
c. reversible current.
b. alternating current.
d. fluctuating current.
Answers: 1
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The air in an automobile tire with a volume of 2.60 ft3 is at 70°f and 21 psig. determine the amount of air that must be added to raise the pressure to the recommended value of 30 psig. assume the atmospheric pressure to be 14.6 psia and the temperature and the volume to remain constant. the gas constant of air is ru = 53.34ft⋅lbflbm⋅r(1 psia144 lbf/ft2) = 0.3704 psia⋅ft3lbm⋅r the amount of air that must be added to raise the pressure is lbm
Answers: 3
An electric current that changes directions at regular intervals is called
a. directional curr...
a. directional curr...
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