Answer to Question #8361 in Electric Circuits for habeeba niloofer

Question #8361
what is mean by dielectric
Expert's answer
Dielectric is something that is a non conductor of electricity. In
scientific or exact terms only 10-6 that is less then a millionth of
siemens conductivity or less substances are referred to as dielectric.
It can be described as an insulator or non conductor. A dielectric
substance can hold electrostatic charges but cannot conduct or allow
current to flow through them.

Examples of dielectric materials are glass, plastic and rubber that make
for good insulators. In applicability terms or in terms of industrial
use dielectrics are classified as good or bad based on certain
characteristics. A dielectric that is good should not show variations in
its properties when temperatures fail to remain constant or over a
broad temperature range. It should consume or draw power itself from the
circuit, it should be reasonably stable physically and it should not
breakdown when the voltage is high.

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