Suppose we have a certain length of wire that we would like to wind around a cylindrical form in a single layer of closely spaced turns to make it more compact, and we would like to minimize the inductance of the resulting coil. All the available forms have a small enough radius that the length of the coil will be much larger than its radius. Given this, we should choose the form with
A. The smallest radius.
B. The largest radius.
C. Any radius (the inductance will be the same).
D. One needs more information to answer the question.
C. Any radius (the inductance will be the same).
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The wave with the greatest speed is __________
Fill in the blank(s) with correct word
Mars's atmosphere is most similar in composition to the atmosphere of ________.
A. Mercury B. Venus C. the Moon D. Earth
Which of the following are not inertial reference frames?
1) a desk on the floor 2) a car going around a curve 3) an airplane taking off 4) a car traveling at a constant velocity 5) a moving sidewalk
Except Venus and Uranus, all the other planets:
A) rotate in the counterclockwise direction as seen from the north. B) revolve around their moons with their equators almost perpendicular to their orbits as seen from the north. C) revolve around the Sun in the clockwise direction as seen from the north. D) rotate on their sides with their equators almost perpendicular to their orbits as seen from the north.