• A uniform sphere of mass M and radius R is surrounded by a concentric spherical shell of same mass but radius 2R. A point mass m is kept at a distance x(>R) in the region bounded by spheres.
  • For any spherical body whether insulating or conducting, potential at surface and potential outside body have same formula I.e. $$ V = \frac {kQ}{R} $$ Here $ k $ is coulomb's constant, $ Q $ is total charge ib sphere and $ R $ is radius of sphere. So the question remains whether you should consider potential at center or at surface.
  • Show transcribed image text Problem 8) A certain body has a solid spherical core of radius R = 6.0 x 10^4 m and mass M = 4.2 x 10^6 kg, surround by an outer spherical shell of mass 4M and inner radius...
  • Oct 19, 2015 · Example : A capacitor consists of an inner conducting sphere of radius R and an outer con- ducting shell of radius 2R. The space between the spheres is filled with two dif- ferent linear dielectrics, one with a dielectric constant κ from r = R to r = 1.5R and the other with dielectric constant 2κ from r = 1.5R to r = 2R.
  • three components are perfectly conducting and infinitely long. The medium surrounding the conductors is air. IR / 2 I / 2 I 3 R 2 The radius of the inner wire core is R 1,the two shells have radii R 2 and R 3,respectively. The currents are distributed as shown, with the inner shell carrying I in the up direction and the core and outer shell ...
  • A capacitor is made of three conducting concentric spherical shells of radii a,2a and 3a as shown in the figure below. In what follows we will assume that the shells are thick enough that we may distinguish the inner and outer surfaces, but thin enough that we do
  • Question: 2R R [Q9] Consider A Spherical Capacitor Composed Of A Con- Ducting Sphere Of Charge Q And Radius R Concentric With A Conducting Spherical Shell Of Charge - And Radius 3R. The Region Between The Conductors Is Filled With A Dielectric Material Of Dielectric Constant Er Between R
  • ELECTROSTATICS-6 1. Two thin concentric conducting spherical shells have radii r and 3r respectively. The outer one carries a charge Q. If the inner conductor is carthed, then find the charge flown The potential difference of the concentric conducting spheres is V. When the outer sphere B is earthed, find the potential difference between them 2. 3.

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10. A point charge of charge Q is placed at the center of a solid spherical conducting shell of inner radius R and outer radius 2R. The shell is in static equilibrium and has a net charge +2Q. What is the total charge on the outer surface (at r = 2R) of the shell? 2R R-Q Net charge +2Q on conductor Answer. +Q Solution.
A solid metallic sphere of radius a is surrounded by a conducting spherical shell of radius b $\;(b >a)\;$ . The solid sphere is given a charge Q . Potential at the surface of the solid sphere is $\;V_{a}\;$ and at the surface of spherical shell is $\;V_{b}\;$.

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Three concentric metallic spherical shells of radii R, 2R, 3R are given charges Q 1, Q 2, Q 3 respectively. It is found that the surface charge densities on the outer surfaces of the shells are equal. Then, the ratio of the charges given to the shells, Q 1: Q 2: Q 3, is (A) 1 : 2 : 3 (B) 1 : 3 : 5 (C) 1 : 4 : 9 (D) 1 : 8 : 18

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Nov 26, 2017 · A conducting spherical shell of inner radius a and outer radius b carries a net charge Q. A point charge q is placed at the center of this shell. Determine the surface charge density on (a) the inner surface of the shell and (b) the outer surface of the shell. Kindly Give answer with a proper explanation, I shall be very Thankful :)
Two spherical bodies of mass M and 5M& radii R & 2R respectively are released in free space with initial separation between their centres equal to 12 R. If they attract each other due to gravitational force only, then the distance covered by the smaller body just before collision is