Figure 1 Sketch for problem 5. Figure 1 shows a conductor in the form of a spher

Question

Figure 1 Sketch for problem 5. Figure 1 shows a conductor in the form of a spherical shell with inner radius a and outer radius b. A point charge Q > 0 sits at the center of the shell. The entire setup is in static equilibrium. Take r as the distance from the center of the shell. This means Q is placed at r = 0. What is the electric field in the range a

Explanation / Answer

a) its zero. (inside a conduction object) b) take b>r>a we have E=0. so total Q=0. so Q+Q1=0 where Q1 be charge on the inner surface. so Q1=-Q. c) total charge is zero. Q1+Q2=0 so Q2=Q. d) rb. E=kQ/r^2. (Gauss's law). e) no, its not continuous in the conducted spherical shell.

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