Two concentric spherical conducting shells have radii R1 = 6.6 cm and R2 = 13.6 cm as shown in the drawing. The shells have a finite thickness that is much less than either radius. The inner and outer shells carry net charges q1=+5.7 nC and q2=+1.5 nC, respectively. a. What is the magnitude of the electric field at a point P1 located 8.5 cm from the center of the spherical shells? b. What is the magnitude of the electric field at a point P2 located 18.0 cm from the center of the spherical shells?

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.