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Jun 17, 2020 at 18:56 comment added manassehkatz-Moving 2 Codidact Not the "whole purpose". The main purpose is to be able to design items to use low voltage, which is how many things (e.g., most consumer electronics) have to work. The side benefit is that modern adapters can handle a wide input voltage range while providing a steady output voltage. But that's not the reason they exist - and if you look at older ones (e.g., perhaps from a 30 year old device) you will often find they can't handle a wide input range.
Jun 17, 2020 at 15:51 comment added Daniel Griscom Hello, and welcome to Home Improvement. Thanks for the answer; keep 'em coming. And, you should probably take our tour so you'll know the details of contributing here.
Jun 17, 2020 at 15:16 review First posts
Jun 17, 2020 at 15:51
Jun 17, 2020 at 15:07 history answered Apple Cola CC BY-SA 4.0