Active Dielectrics Concept Map

ACTIVE DIELECTRICSPiezoelectricDefination - Materials that produce electric current when subjected to mechanical stress Examples ApplicationsPyroelectricExamplesDefination - Materials that produce electric current when subjected to thermal energy change ApplicationsFerroelectricDefination - Materials in whuch permanent polarization exists even after removing the applied electric field.ExamplesAlso known asInsulating materialsAplicationsTypesPyroelectricFerroelectric PiezoelectricDefination - Dielectrics which can easiy adapt itself to store the electrical energy in it are called Actice dielectricsDIELECTRIC MATERIALACTIVE DIELECTRICSPASSIVE DIELECTRICSCapicatorsAccelerometersTransducersIR detectorsQuartzRochelle saltBerliniteTransducersSensors and ActuatorsGas lightersPiezoelectric motorsPIR sensorsInfrared thermometersLaser energy sensorsBarrium titanateLithium tantalateGallium nitrateApplicationsBarium titanatePotassium dihydrogen phospateLead zinconateComputers for storing memoryCapicatorsMagnatic amplifiersTransducers
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