MCQ
A solid conducting sphere of radius a has a net positive charge 2Q. A conducting spherical shell of inner radius b and outer radius c is concentric with the solid sphere and has a net charge – Q. The surface charge density on the inner and outer surfaces of the spherical shell will be
- ✓$-\frac{2 Q}{4 \pi b^2}, \frac{Q}{4 \pi c^2}$
- B$-\frac{Q}{4 \pi b^2}, \frac{Q}{4 \pi c^2}$
- C0, $\frac{Q}{4 \pi c^2}$
- DNone of the above
