(a) An isotropic material of relative permittivity ɛ is placed normal to a uniform external electric field with an electric displacement vector of magnitude 6 x 104 C/m2. If the volume of the slab is 0.7 m³ and magnitude of polarization is 5 x 104 C/m2 . Find the value of ɛr and total dipole moment of the slab.

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9. (a) An isotropic material of relative permittivity &r is placed normal to a uniform external
electric field with an electric displacement vector of magnitude 6 × 104 C/m² . If
the volume of the slab is 0.7 m3 and magnitude of polarization is 5 x 104 C/m? .
Find the value of ɛr and total dipole moment of the slab.
Transcribed Image Text:9. (a) An isotropic material of relative permittivity &r is placed normal to a uniform external electric field with an electric displacement vector of magnitude 6 × 104 C/m² . If the volume of the slab is 0.7 m3 and magnitude of polarization is 5 x 104 C/m? . Find the value of ɛr and total dipole moment of the slab.
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