Materials in which the resistivity becomes essentially zero at very low temperatures are referred to as
A)
conductors.
B)
insulators.
C)
semiconductors.
D)
superconductors.
D
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A. yes B. in some cases, yes C. no D. in some cases, no
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Answer the following statement true (T) or false (F)
What is unusual about the planet Venus?
A) It rotates in a direction opposite to the direction of its orbit. B) It orbits the Sun faster than it should give the size of its orbit. C) It orbits the Sun in a direction opposite that of all the other planets. D) It does not orbit the Sun in the same plane as the other planets. E) It rotates extremely rapidly around its axis.
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Indicate whether the statement is true or false