Laptop charger

Laptop Charger 

laptop charger

Have you seen  round cylindrical shape at end of your laptop charger , do you know  what that actually is ?

Answer :-    the Round cylindrical shape is known as fer-rite bead , which is nothing but an induct-or 9 passive electric component ) that suppresses high frequency noise in electronic circuits .

The  round cylindrical shape is responsible for chilling out those EMI waves . 

laptop charger