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# Electric Field Inside a Conducting Sphere

EANDM-FXK37P

What is the magnitude of the electric field a distance $r=3.0$ cm from the center of a solid conducing sphere with a radius $R=5.0$ cm with a charge $Q=-4.0$ C?

A

0 N/C

B

$4.0\times 10^{13}$ N/C

C

$4.0\times 10^{13}$ N/C

D

$1.4\times 10^{13}$ N/C