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Physics, 02.10.2019 03:20 montgomerykarloxc24x

Ametal sphere with radius ra = 1.10 cm is supported on an insulating stand at the center of a hollow, metal, spherical shell with radius rb = 9.70 cm . charge +q is put on the inner sphere and charge −q on the outer spherical shell. the magnitude of q is chosen to make the potential difference between the spheres 420 v , with the inner sphere at higher potential. part a calculate q. qq = part b are the electric field lines and equipotential surfaces mutually perpendicular?

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