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Multiple Choice
A spherical, conducting shell has a charge of –6C. If a 4C charge were placed at the center of the shell, what is the electric field at 4 cm? At 12 cm?
A
E4cm = 2.25 × 109 outwards;
E12cm = 1.25 × 108 inwards
E12cm = 1.25 × 108 inwards
B
E4cm = 2.25 × 1013 outwards;
E12cm = 1.25 × 1013 outwards
E12cm = 1.25 × 1013 outwards
C
E4cm = 2.25 × 1013 outwards;
E12cm = 6.25 × 1012 outwards
E12cm = 6.25 × 1012 outwards
D
E4cm = 2.25 × 1013 outwards;
E12cm = 1.25 × 1012 inwards
E12cm = 1.25 × 1012 inwards
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