sphere ull of 33 is the its c E3B.5 charge nC. What magnitude of the electric fi
ID: 1593413 • Letter: S
Question
sphere ull of 33 is the its c E3B.5 charge nC. What magnitude of the electric field 5 cm from ter? 3 cm from its center? E3B.6 Imagine that we have two nested spherical metal shells, one with a radius of R and the other with a radius of 2R. Assume that the inner sphere has a charge of Q uniformly distributed on its surface and the outer sphere has a charge of -Q uni- formly distributed on its surface (where Q is some positive quantity). Draw a qualitatively ac curate graph of the electric field magnitude as a function of radius r for 0 srs3R. B.7 ine that a horizontal disk of radius 10 cm.Explanation / Answer
A) Capacitance C = eo*A/d
100*10^-6 = (8.85*10^-12*1)/d
Seperation between the paltes is d = (8.85*10^-12*1)/(100*10^-6) = 8.85*10^-8 m = 88.5 nm
B) Electric field is E =V/d = 1/(88.5*10^-9) = 11.3*10^6 N/C
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