Unit 12b Dielectrics

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Dielectrics Experiment: Place dielectrics between plates of capacitor at Q=const condition Observation: potential difference decreases to smaller value with dielectric material relative to air Without dielectric: With dielectric: = = because V<V 0 C>C 0 Κ := 0 = 0 K>1: relative dielectric constant

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dielectric

Transcript of Unit 12b Dielectrics

24.4 Dielectrics

DielectricsExperiment: Place dielectrics between plates of capacitor at Q=const condition

Observation: potential difference decreases to smaller value with dielectric material relative to air Without dielectric:With dielectric:

because VC0K>1: relative dielectric constant

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dWhat happens with the E-field in the presence of dielectric material

We know V