a) Find the electric field caused by a disk of radius R with a uniform positive surface charge density σ (charge per unit area), at a point along the axis of the disk a distance x from its center. Assume that x is positive. (b) Graph the electric field as a function of x between x = 0 and x = 4R. (c) Show that if we increase the radius R and simultaneously add charge so that s is constant (infinite sheet of charge), the electric field strength is E = s /2e0
a) Find the electric field caused by a disk of radius R with a uniform positive surface charge density σ (charge per unit area), at a point along the axis of the disk a distance x from its center. Assume that x is positive. (b) Graph the electric field as a function of x between x = 0 and x = 4R. (c) Show that if we increase the radius R and simultaneously add charge so that s is constant (infinite sheet of charge), the electric field strength is E = s /2e0
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a) Find the electric field caused by a disk of radius R with a uniform positive surface charge density σ (charge per unit area), at a point along the axis of the disk a distance x from its center. Assume that x is positive.
(b) Graph the electric field as a function of x between x = 0 and x = 4R. (c) Show that if we increase the radius R and simultaneously add charge so that s is constant (infinite sheet of charge), the electric field strength is E = s /2e0 .
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