Abstract
The dielectric anisotropy and dispersion of the real and imaginary part of the permittivity of commercially important nematic mixture E-24 and its polymer composite were investigated in the frequency range from 1 kHz to 10 MHz, and temperature range <TEX>$14^{\circ}C$</TEX> to <TEX>$55^{\circ}C$</TEX>. The percentage optical transmittance and density have also been measured for both the systems. The results have been explained by assuming molecular rotation about the long molecular axis, under a hindering nematic potential. The dielectric anisotropy <TEX>${\Delta}{\varepsilon}$</TEX> is positive, and the mean dielectric permittivity falls with rising temperature. <TEX>${\Delta}{\varepsilon}$</TEX> is also used to determine the order parameter with varying temperature.
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