Energy in Inductors: Inductors store energy by accumulating excess charge within their coils.
A. True
B. False
Answer: B
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For one complete cycle of a reversible heat engine, which of the following quantities is NOT zero?
A. the change in the entropy of the working gas B. the change in the pressure of the working gas C. the change in the internal energy of the working gas D. the work done by the working gas E. the change in the temperature of the working gas
Ptolemy formulated a(n) ____________________ model of the solar system to predict positions of the Sun, Moon, and planets
Fill in the blank(s) with correct word
The Orion region contains young main-sequence stars and an emission nebula, but the original molecular cloud they formed out of has been dispersed
a. True b. False Indicate whether the statement is true or false
An uncharged metal sphere is placed on an insulating puck on a frictionless table. While being held parallel to the table, a rod with a charge q is brought close to the sphere, but does not touch it. As the rod is brought in, the sphere
A. remains at rest. B. moves toward the rod. C. moves away from the rod. D. moves perpendicular to the velocity vector of the rod. E. moves upward off the puck.