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Grade 12Electrostatics

The dielectric constant decreses if the temperature is increased. Explain this in terms of polarisation of the material.

Profile image of NIKHIL GARG
15 Years agoGrade 12
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1 Answer

Profile image of AJIT AskiitiansExpert-IITD
ApprovedApproved Tutor Answer15 Years ago

Dear nikhil ,

   if we heat the dilelectric slab placed in a uniform electric field , the lattice and elctrons inside gain energy and then the electric field can more easily polarise the material . so electric field inside given by E/k decreases and so k increases.

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