Electrons flow around a circular wire loop in a horizontal plane, in a direction that is clockwise when viewed from above. This causes a magnetic field. Inside the loop, the direction of this field is
A. toward the center of the loop.
B. radially outward from the center of the loop.
C. down, away from the viewer.
D. up, toward the viewer.
Answer: D
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Although very unlikely, if life exists on Venus today, it will most likely be found
A) at the center of the planet B) just beneath the surface C) on the surface D) floating high in the atmosphere
In the context of stellar astronomy, briefly describe dark matter
What will be an ideal response?
A typical, neutrally charged atom has
A. as many electrons as protons and neutrons combined. B. just as many electrons as protons. C. no neutrons in the nucleus. D. at least 1 neutron. E. more protons than electrons.
When the brain retains an image of what you were viewing
A. Astigmatism |
B. Eye Dominance |
C. Focus |
D. Blind Spot |
E. Color Blindness |
F. Afterimages |