5.0 A at 110 V flows in the primary of a transformer. Assuming 100% efficiency, how many amps at 24 V can flow in the secondary?
A) 1.1 A
B) 4.6 A
C) 5.0 A
D) 17 A
E) 23 A
E
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How did the natural satellites in the Solar System form?
A. The moons formed by the accretion of debris from massive collisions. B. The moons probably formed from planetesimals orbiting the growing planets. C. The moons likely were "captured" as they wandered too close to the planets. D. All of these choices are correct.
As air temperature cools below its dew point temperature, the air's water vapor
A) increases. B) decreases. C) condenses. D) evaporates.
Where on Earth would you be if Polaris was at your zenith?
A) North Pole B) Arctic Circle C) Tropic of Cancer D) Equator E) It lies overhead everywhere on Earth.
Olympus Mons and Maxwell Mons are both:
A) large features on the surface of Mars. B) features visible from Earth. C) dormant volcanoes. D) shield volcanoes. E) the two largest known volcanoes in the solar system.