A circle is an ellipse with an eccentricity of ____
a. zero
b. one
c. two
d. four
e. eight
a
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Flux: A rectangular loop of wire that can rotate about an axis through its center is placed between the poles of a magnet in a magnetic field with a strength of 0.40 T, as shown in the figure. The length of the loop L is 0.16 m and its width w is 0.040 m. What is the magnetic flux through the loop when the plane of the loop makes an angle of 60° with the magnetic field?
A. 2.6 × 10-3 T ? m2 B. 1.3 × 10-3 T ? m2 C. 0 T ? m2 D. 2.2 × 10-3 T ? m2 E. 0.80 T ? m2
The human body contains thousands of catalysts called ______________
Fill in the blank(s) with correct word
The triple point of water occurs only at a unique temperature and pressure
Indicate whether the statement is true or false
Force on a Moving Charge: A proton, moving east, enters a magnetic field. Because of this magnetic field the proton curves downward. We may conclude that the magnetic field must have a component
A. towards the south. B. towards the north. C. towards the west. D. upward. E. downward.