The temperature coefficient of resistivity for a "perfect" ohmic material would be:
a. positive and constant.
b. zero.
c. negative.
d. positive and uniformly increasing.
b
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Jupiter's atmosphere is a single huge storm system
Indicate whether the statement is true or false
During an eclipse of the Sun the high ocean tides on Earth are
A) extra high. B) extra low. C) not significantly different.
You are located on Earth and you see the Moon in its third-quarter phase. Draw the Sun, your location on Earth's surface, and the Moon in the sky, correctly shadowing the portions of the Moon's surface not in the Sun's light. Label the time of day you would see this Moon phase
What will be an ideal response?
A box slides down a frictionless plane inclined at an angle ? above the horizontal. The gravitational force on the box is directed
A) parallel to the plane in t he same direction as the movement of the box. B) parallel to the plane in the opposite direction as the movement of the box. C) perpendicular to the plane. D) vertically. E) at an angle ? below the inclined plane.