RMS and Peak Quantities: The current through a 50-? resistor is I = (0.80 A) sin(240t). What are (a) the current amplitude and (b) the rms current?
What will be an ideal response?
(a) 0.80 A (b) 0.57 A
Physics & Space Science
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Where would you least expect to find an ionization nebula?
A) in the galactic disk B) near a hot, young star C) in a spiral arm D) in the halo of our galaxy
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A 120-V rms signal at 60 Hz is applied across a series combination of a 30-mH inductor and a 100-? resistor. What is the rms value of the voltage across the resistor?
A) 120 V B) 60 V C) 100 V D) 150 V E) 0.70 V
Physics & Space Science
The wavelength of light is important for thin film interference to occur within the film itself
Indicate whether the statement is true or false
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The break-up of Pangaea resulted in the separation of
A) habitats. B) landmasses. C) plant and animal life. D) landmasses, and plants and animals and their habitats.
Physics & Space Science