Question 3. A certain amount of dielectric material can be shaped into either a cylinder of length 7 with space for a central cylindrical electrode at the centre or a sphere with space for a spherical electrode at the centre. (a) If the electrode has radius ry and the enclosing earthing is applied at a radius of r2, derive the expressions of the capacitance for the cylinder and for the sphere in terms of the given dimensions and the physical constants.
Question 3. A certain amount of dielectric material can be shaped into either a cylinder of length 7 with space for a central cylindrical electrode at the centre or a sphere with space for a spherical electrode at the centre. (a) If the electrode has radius ry and the enclosing earthing is applied at a radius of r2, derive the expressions of the capacitance for the cylinder and for the sphere in terms of the given dimensions and the physical constants.
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Transcribed Image Text:Question 3.
A certain amount of dielectric material can be shaped into either a cylinder of length 7 with
space for a central cylindrical electrode at the centre or a sphere with space for a spherical
electrode at the centre.
(a) If the electrode has radius ry and the enclosing earthing is applied at a radius of r2, derive the
expressions of the capacitance for the cylinder and for the sphere in terms of the given
dimensions and the physical constants.
