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Hollow dielectric cylinder, with inner radius a , outer radius b , and height 2h is uniformly polarized by volume. Polarization vector is normal on the bases of a cylinder. Intensity of polarization vector is given, P . The surrounding area is vacuum. Calculate intensity of electric field in center of the cylinder (at point C ). Result: E= -Ph(1/(a 2 +h 2 ) 1/2 – 1/(b 2 +h 2 ) 1/2 )/ Ɛ 0 Could someone help? Thanks for replies.

Hollow dielectric cylinder, with inner radius a, outer radius b, and height 2h is uniformly polarized by volume. Polarization vector is normal on the bases of a cylinder. Intensity of polarization vector is given, P. The surrounding area is vacuum. Calculate intensity of electric field in center of the cylinder (at point C).
 
Result:
E= -Ph(1/(a2+h2)1/2 – 1/(b2+h2)1/2)/Ɛ0
 
Could someone help?
Thanks for replies.

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