The current in an RLC circuit when driven at resonance depends on
A. the resonance frequency.
B. the resistance.
C. the inductive reactance.
D. the capacitive reactance.
E. More than one of these choices are correct.
B. the resistance.
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In which general direction should you look to see the Moon rise?
A) north B) south C) east D) west E) It depends on the phase of the Moon.
Imagine for a moment that despite all the evidence, Earth actually is not rotating and orbiting the Sun. Which of these hypothetical observations (none of them are real) would be inconsistent with our Sun-centered view of the solar system?
A) We find that we are unable to measure any parallax for a distant galaxy. B) We discover an Earth-sized planet orbiting the Sun beyond the orbit of Pluto. C) We discover that the universe is actually contracting, not expanding. D) We discover a small planet beyond Saturn that rises in the west and sets in the east each day.
Current is the rate of flow of electric charge
a. True b. False Indicate whether the statement is true or false
Consider a situation where you exert a force F on a crate of mass m, moving it at a speed v a distance d across a floor in a time interval t.The quantity Fd/t is
a. the kinetic energy of the crate. b. the potential energy of the crate. c. the linear momentum of the crate. d. the work you do on the crate. e. the power you supply to the crate.