The current through a 50-? resistor is I = (0.80
A) sin(240t), where t is measured in seconds. What is the rms current?
A) 0.57 A
B) 0.80 A
C) 1.1 A
D) 1.6 A
A
You might also like to view...
In a short-fiber composite subject to a tensile stress parallel to the fibers, at the center of the fiber the matrix-fiber interface shear stress is equal to _________.
Fill in the blank(s) with the appropriate word(s).
Earth's magnetic field is generated by the dynamo effect in the
a. molten metallic core. b. solid central core. c. plastic mantle. d. the crust. e. aurora.
How are galaxies important to our existence?
A) Deep in their centers, galaxies created the elements from which we are made. B) Galaxies recycle material from one generation of stars to the next, and without this recycling we could not exist. C) Without galaxies, the universe could not be expanding. D) Without galaxies, there could not have been a Big Bang.
A body of permeable rock through which groundwater moves is called
a. an aquifer. b. a water table. c. a porosity level. d. a zone of aeration.