Unformatted text preview: 2 , where m is the mass and c is the speed of light. Assuming electron to be a perfect sphere find its radius from its charge and mass (m=9.1 x 1031 kg). (4) A grounded metallic sphere of radius R is located at a distance of “d 1 ” from a point charge of “+Q1”, and at a distance of “d 2 ” from a point charge of “Q2 as shown below. For this system calculate the potential for R ≤ R AND R > R . z Ring of radius “a” at z=0 plane with a line charge density of ρ Perfect conductor at z=d plane d z=0 z=d GND . +Q1 d 1Q2 . d 2...
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 Spring '08
 Joshi
 TA, Electric charge, Fundamental physics concepts, line charge density, isolated conducting sphere

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