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InterviewSolution
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The static electric field inside a dielectric medium with relative permittivity. ϵr=2.25, expressed in cylindrical coordinate system is given by the following expression E=^ar2+ (^aφ3r)+^az6where ^ar,^aφ,^az are unit vectors along r,φ and z directions, respectively. If the above expression represents a valid electrostatic field inside the medium, then the volume charge density associated with this field in terms of free space permittivity, ε0 in SI unit is given by: |
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Answer» The static electric field inside a dielectric medium with relative permittivity. ϵr=2.25, expressed in cylindrical coordinate system is given by the following expression |
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