A sphere of radius R carries a polarization P(r) = kr, where k is a constant and r is the vector from the center. (a) Calculate the bound charges op and ph. (b) Find the field inside and outside the sphere.

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A sphere of radius \( R \) carries a polarization

\[
\mathbf{P}(r) = kr,
\]

where \( k \) is a constant and \( r \) is the vector from the center.

(a) Calculate the bound charges \( \sigma_B \) and \( \rho_b \).

(b) Find the field inside and outside the sphere.
Transcribed Image Text:A sphere of radius \( R \) carries a polarization \[ \mathbf{P}(r) = kr, \] where \( k \) is a constant and \( r \) is the vector from the center. (a) Calculate the bound charges \( \sigma_B \) and \( \rho_b \). (b) Find the field inside and outside the sphere.
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