The difference between Active and Passive
Filters 1. Passive filters consume the energy of the signal,
but no power gain is available; while active filters have a
power gain. 2. Active filters require an external power
supply, while passive filters use internal supply.
People are aware of pollution in the known
and visible areas such as air, water, and so
on, However, there is pollution in electric
power supply as well.
Author : Mr.Appavoo Former CEIG /
Tamil Nadu Electrical Inspectorate
Earthing provides a low impedance earth
fault return path in order to ensure proper clearing of
faults thereby limiting hazardous voltage and restriking
which in turn reduces the risk of fires and personnel
injuries
Author : Mr.Appavoo Former CEIG /
Tamil Nadu Electrical Inspectorate
People are aware of pollution in the known
and visible areas such as air, water, and so
on, However, there is pollution in electric
power supply as well.