A uniformly charged disk of radius 25.0 cm carries a charge density of 6.50 x 10-3 C/m². (a)From the definition of the electric field, derive the expression for the net electric field alonga perpendicular line going through the center of the disk (axis of rotation). (b) Calculatethe electric field on the axis of the disk at 50.0 cm from the center of the disk. (c) Calculatethe electric field on the axis of the disk at 2.0 m from the center of the disk.

The charge on the ring, dq=σ×2πy dy Consider a charged disk of radius R and a point P at a…

Answered: A uniformly charged disk of radius 25.0…

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter15: Electric Forces And Electric Fields

Section: Chapter Questions

Problem 50P: A charge of q = 2.00 109 G is spread evenly on a thin metal disk of radius 0.200 m. (a) Calculate...

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A charge of q = 2.00 109 G is spread evenly on a thin metal disk of radius 0.200 m. (a) Calculate the charge density on the disk. (b) Find the magnitude of the electric field just above the center of the disk, neglecting edge effects and assuming a uniform distribution of charge.
What is the magnitude of the electric field just above the middle of a large, flat, horizontal sheet carrying a charge density of 98.0 nC/m2?
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The Earth producesan approximately uniform electric field at ground level. This electricfield has a magnitude of 110 N>C and points radially inward, towardthe center of the Earth. (a) Find the surface charge density (sign andmagnitude) on the surface of the Earth. (b) Given that the radius ofthe Earth is 6.38 * 106m, find the total electric charge on the Earth.(c) If the Moon had the same amount of electric charge distributeduniformly over its surface, would its electric field at the surface begreater than, less than, or equal to 110 N>C? Explain
A uniformly charged disk sit in the yz-plane with its center at the origin. It has radius 2.5 cm and carries a total charge of 4.0 x 10 -12 C. What is the magnitude of the electricfield on the x-axis of the disk at the disk at distance x = 0.2 cm?What is the direction of the eletric field on the axis of the disk at x = 0.2 cm? (to the center or from the center)Is the magnitude of the electric field at x= 0.2 cm larger or smaller thant the electric field at 0.2 cm from an infinite sheet of charge with the same charge per unit area as the disk?What is the percent difference between the electric field produced by the finite disk and by an infinite sheet with the same charge per unit area at x = 0.4 cm?
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A charge of 6.00 pC is spread uniformly throughout the volume of a sphere of radius r=4.00 cm.What is the magnitude of the electric field at a radial distance of (a) 6.00 cm and (b) 3.00 cm?
In the figure a sphere, of radius a = 13.2 cm and charge q = 6.00×10-6 C uniformly distributed throughout its volume, is concentric with a spherical conducting shell of inner radius b = 37.0 cm and outer radius c = 39.0 cm . This shell has a net charge of -q. Find expressions for the electric field, as a function of the radius r, within the sphere and the shell (r< a). Evaluate for r=6.6 cm. Find expressions for the electric field as a function of the radius r, between the sphere and the shell (a< r <b). Evaluate for r=25.1 cm. Find expressions for the electric field as a function of the radius r, inside the shell (b< r <c). Evaluate for r=38.0 cm

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