39. Calculate the electric field at a distance r from the common center of the two spheres for acr
39. Calculate the electric field at a distance r from the common center of the two spheres for acr
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For nos. 38-40, consider an insulating solid sphere, of radius a, with a uniform volume charge density p< 0, Is placed concentric with an insulating spherical shell, of Inner radius a and outer radius b, with a uniform charge density p> 0
Transcribed Image Text:E. E = P(a+r³).
39. Calculate the electric field at a distance r from the common center of
the two spheres for acr<b."
A. E =
P(r3-2a3)
3r 8o
B. E =
P(r³-a³)
P(2a3+r
C. E = ³)
3r2ɛo
D. E = º(2a³ -p3)
3r28o
%3D
E. E = P(a+r3)
%3D
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