CP A thin disk with a circular hole at its center, called an annulus, has inner radius R1 and outer radius R2 (Fig. P21. 104 ). The disk has a uniform positive surface charge density σon its surface. (a) Determine the total electric charge on the annulus. (b) The annulus lies in the y z- plane, with its center at the origin. For an arbitrary point on the x -axis (the axis of the annulus), find the magnitude and direction of the electric field E⃗ . Consider points both above and below the annulus
CP A thin disk with a circular hole at its center, called an annulus, has i…
Apr 2, 2019
numerade.com
(6%) Problem 18: The net electric charge on the annulus in the figure is -3.5 nC.50% Part (a) What is the magnitude of the electric field (in kN/C) from a uniformly charged annulus, with an inner radius $a = 1.25$ cm and outer radius $b = 1.95$ cm, and a distance $z = 2.95$ cm away from the center of the annulus along the perpendicular bisector of the annulus?50% Part (b) What is the direction of the electric field?
(6%) Problem 18: The net electric charge on the annulus in the figur…
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