Question

A spherical shell of radius R1=4 cm carries a total charge q1=10 C that is uniformly distributed on its surface. A second, larger spherical shell of radius R2=24 cm that is concentric with the first carries a charge q2=6 C that is uniformly distributed on its surface. Calculate the strength of the electric field at r=12 cm. (Your result must be in multiples of 1013 N/C. That means if, for example, you get a result of a × 10 13 LaTeX: 9.22\times10^{^{13}} 9.22 × 10 13 9.22 × 10 11 9.22 × 10 12 just type 9.22 in the answer box. Include 2 digits after the decimal point and maximum of 2% of error is accepted in your answer. Take k=9x109. )

Answer 1

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