Loop B?
A. Clockwise.
B. Counterclockwise.
C. No current flows in this loop.
D. One needs more information to answer.
C. No current flows in this loop
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Most of the extrasolar planetary systems discovered to date are
A) very similar to our own solar system with inner rocky terrestrial planets and outer gaseous Jovian planets B) similar to our solar system in having inner rocky terrestrial planets but different in having no Jovian planets C) identical to our own with the same number and types of planets as our own solar system D) quite different than our own solar system, many with Jovian planets found close to their parent stars
Lilies in a certain pond double their total lake area covered every week. One day you notice that the pond is 1/8 covered with lilies. How long will it be before the pond is totally covered with lilies?
A) 3 weeks B) 8 weeks C) 6 weeks D) 4 weeks E) It is impossible to answer this without knowing the total area of the pond.
Which of the following in not a factor that prevents molecular cloud contraction?
a. thermal motion b. a force exerted by a magnetic field c. orbital motion d. turbulence
How many protons are there in the carbon-14 nucleus?
A) 8 B) 14 C) 6 D) 1 E) none