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A spherical conductor has a radius R=10 cm and a total net charge
Q=20 µC. The electric field at r= 20 cm from the center of the sphere is
a) 9.0 x 108 N/C
c) Zero
b) 4.5 x 106 N/C
d) 22.5 x 105 N/C.
Transcribed Image Text:A spherical conductor has a radius R=10 cm and a total net charge Q=20 µC. The electric field at r= 20 cm from the center of the sphere is a) 9.0 x 108 N/C c) Zero b) 4.5 x 106 N/C d) 22.5 x 105 N/C.
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