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8. A conducting potential shell having inner radius a and outer radius b carries a net charge Q. If a point charge q is placed at the centre of this shell, then the surface charge density on the outer surface of the shell is given as: 0-9 A) B) t D) zero E) 4mb²

8. A conducting potential shell having inner radius a and outer radius b carries a net charge Q. If a point charge q is placed at the centre of this shell, then the surface charge density on the outer surface of the shell is given as: 0-9 A) B) t D) zero E) 4mb²

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8. A conducting potential shell having inner radius a and outer radius b carries a net charge Q. If a point charge q is placed at the centre of this shell, then the surface charge density on the outer surface of the shell is given as: Q A) B) 47b² 4tb² D) zero E) 4mb² 9. Ten electrons are equally spaced and fixed around a circle of radius R. Relative to V=0 at infinity, the electrostatic potential and the electric field E at the center Care (A) V = 0 and E = 0, (B) V = 0 and E= 0. (V = 0 and E = 0, (D) V = 0 and E = 0, (E) none of the options.
Transcribed Image Text:8. A conducting potential shell having inner radius a and outer radius b carries a net charge Q. If a point charge q is placed at the centre of this shell, then the surface charge density on the outer surface of the shell is given as: Q A) B) 47b² 4tb² D) zero E) 4mb² 9. Ten electrons are equally spaced and fixed around a circle of radius R. Relative to V=0 at infinity, the electrostatic potential and the electric field E at the center Care (A) V = 0 and E = 0, (B) V = 0 and E= 0. (V = 0 and E = 0, (D) V = 0 and E = 0, (E) none of the options.
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