Have You Ever Noticed This Little Cylindrical Thing At The End Of Your Laptop Charger?

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Have you ever noticed this little cylindrical thing at the end of laptop chargers and data cables? Do you know what purpose it serves? No? Then let's check it out.

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These little cylinders are called Ferrite Cores, which is passive component (Inductor) that suppresses high frequency noise.

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They act as a filter for EMI waves that are transmitted and leads to energy loss.

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Energy loss in the cables lead to less charging for your laptop, therefore these cylindrical Ferrite Cores are used to reduce its effect.

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In other words, these Ferrite Cores are used to protect the device from high voltage spikes.

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Lakshya
Staff Writer
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