The applied magnetic field that it is necessary to reduce the intensity of magnetization of a ferromagnetic material to zero after saturation in the forward direction is the _________field.
Fill in the blank(s) with the appropriate word(s).
coercive
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The density of a column of air decreases as altitude increases because
A. Air contracts as pressure decreases B. Air expands as pressure decreases C. Nonsense, the density of air is constant. D. Nonsense, the density of air increases as altitude increases.
A microscope has a tube length of 15.0 cm, an objective focal length of 0.95 cm, and an eyepiece focal length of 2.50 cm. What is the magnification of the microscope? Assume it is adjusted so that the eye is relaxed
a. 122 b. 132 c. 148 d. 12
Diversity of plant species in a plot increases overall yields
What will be an ideal response?
What pattern of long and short wave radiation does the earth absorb and emit?
What will be an ideal response?