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chemphys1
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Homework Statement
displacement and electric field related by D=εE where dielectric constant depends on volume and temperature. Express dD in terms of dV, dT and dE
(this is just a part of a question but want to make sure I have it right else the rest of the 'showing' and proofs are never going to work out)
The Attempt at a Solution
so taking D=εE
Then dD = εdV (because it is volume dependent) + εdT (temperature dependent)
what happens to the E, is it Edε + edE as well as the above
although it can't be dε because it says express in terms of dT dV and dE, no dε mentioned?
is any of that on the right lines?
any help appreciated