Abstract Casting method have been prepared films from composites of Polyvinyl alcohol and polyvinyl pyrrolidone(PVA-PVP) doped with different weight percentages of Cadmium sulfide (CdS).By using LCR meter in the frequency range (100 Hz to 5 MHz) at room temperature to study the A.C electrical measurement of the films. The effectsof A.C electrical possessionsof PVA-PVP-CdS films appearance that the dielectric constant, dielectric loss, and A.C electrical conductivity are increased with the increasing of content of cadmium sulfide. As well as, the dielectric properties and A.C electrical conductivity are variations with increasing of the frequency of practical electrical field.
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