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Two concentric spherical shells radii 5cm and 10cm are charged with 4uC and 8uC respectively. What...

Two concentric spherical shells radii 5cm and 10cm are charged with 4uC and 8uC respectively. What is the electric potential at r= 0, r= 7.5cm, and r= 15cm?

V1=

V2=

V3=

  

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