Which of the following does NOT represent a property of carbon nanotubes useful in nanotechnology application?
b.
This statement is not true. Carbon nanotubes have extremely high thermal conductivity, which shows that thermal and electrical conductivity are interconnected. Nanotubes have the ability to carry large currents and also carry away the heat associated with large currents, making the maximum current density they carry large enough to rival the critical current densities of some superconductors.
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Double-pane windows contain nitrogen rather than air to prevent
A) gas escape. B) thermal conduction. C) condensation. D) heat flow.
Lenz's Law: A coil lies flat on a tabletop in a region where the magnetic field vector points straight up. The magnetic field vanishes suddenly. When viewed from above, what is the sense of the induced current in this coil as the field fades?
A. The induced current flows counterclockwise. B. The induced current flows clockwise. C. There is no induced current in this coil. D. The current flows clockwise initially, and then it flows counterclockwise before stopping.
A model for combining the electromagnetic, weak and strong nuclear interactions into a single basic force is a(n)
a. electroweak theory. b. GUT. c. quark theory. d. generalized theory of relativity. e. theory of strangeness.
The top of the mantle is the same as the
A) base of the core. B) base of the lithosphere. C) top of the asthenosphere. D) base of the crust.