The frequency of a magnet plunging into and out of a wire coil equals the frequency of the induced
A. current.
B. voltage.
C. both of these
D. none of the above
Answer: C
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What effect do the intermittent (periodically dry) stream channels have on the topography of the region?
Use Figure 23.3 to do the following work and answer the question.
What will be an ideal response?
Which of the following is not true of tropical storms?
A) Tropical storms move with the general circulation. B) Tropical storms move over the subtropical Atlantic, Pacific, and Indian Oceans, from east to west. C) Tropical Storms thrive on warm, moist air, and are most intense over oceans in the warm season. D) The rough ocean surface favors development of calm winds which are essential for storm formation. E) Tropical storms lose intensity over land because they lose their source of energy.
What type of feedback maintains stability in a system; i.e., what type of feedback keeps a system functioning properly?
A) Neutral B) Negative C) Positive
The Benelux Agreement, the Marshall Plan, and the Treaty of Rome all helped set the stage for the European unification that evolved into the EU.
a. true b. false