LC Circuits: A simple series circuit consists of just a 3.4-µF capacitor and an 80-mH inductor, with no appreciable resistance. At t = 0 the capacitor has charge 5.4 µC and the current in the inductor is zero.(a) How long after t = 0 will the current in the circuit be maximum?(b) What will be this maximum current?
What will be an ideal response?
(a) 0.82 ms (b) 10 mA
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Meteorites are important because
A) some come from the Moon and Mars, as well as the asteroid belt. B) they contain pristine material from the solar nebula. C) large ones may cause mass extinctions. D) All of the above are true. E) None of the above is true.
Massive stars:
A) use their fuel sparingly. B) die after only a few million years. C) are unable to generate energy by nuclear fusion. D) do not evolve rapidly if their hydrogen is exhausted.
Approximately how many water molecules are in a lake with a volume of 12 100 km3? A water molecule measures approximately 2.75 × 10^¯10 m in length
a. 2E+15 b. 5E+22 c. 4E+14 d. 6E+41
Process of Science: Observations of asteroids, comets, and meteorites help refine the theory of the formation of the solar system
Indicate whether the statement is true or false