R A very thin spherical plastic shell of radius R = 18 cm carries a uniformly distributed negative charge of Q = -8 nC on its outer surface. An uncharged solid metal block is placed nearby. The block is w = 9 cm thick and is 9 cm away from the surface of the sphere. Calculate the magnitude of the elec- tric field at the exact center of the conductor generated only by the polarization of the con- ductor. In other words, do not include the electric field generated by the sphere.

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A very thin spherical plastic shell of radius
R = 18 cm carries a uniformly distributed
negative charge of Q = -8 nC on its outer
surface. An uncharged solid metal block is
placed nearby. The block is w = 9 cm thick
and is 9 cm away from the surface of the
sphere. Calculate the magnitude of the elec-
tric field at the exact center of the conductor
generated only by the polarization of the con-
ductor. In other words, do not include the
electric field generated by the sphere.
Answer in units of N/C.
Transcribed Image Text:R OI A very thin spherical plastic shell of radius R = 18 cm carries a uniformly distributed negative charge of Q = -8 nC on its outer surface. An uncharged solid metal block is placed nearby. The block is w = 9 cm thick and is 9 cm away from the surface of the sphere. Calculate the magnitude of the elec- tric field at the exact center of the conductor generated only by the polarization of the con- ductor. In other words, do not include the electric field generated by the sphere. Answer in units of N/C.
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