Do you know who discovered elecrticity ?🧐 (answer:? Or you can find it below) While traveling different countries, you might have found people or you yourself carrying along an Adapter for your electronic device.Why we need that? Different countries have different shaped outlets,where your device plug doesn't fit in.so,yes in that scenario, An Adapter saves your day. But, while traveling to different places, have you ever thought your device might blow away the fuse the place you are living in. Have you ever thought about the voltage or power supply there. Different countries have different electrical systems and have variations in frequency of power supply. For eg: Standard frequency in US is 60 hertz (Hz) Japan is 50 hertz(Hz) India is 50 hertz UK is 50(Hz) Find out what's in your country? (Frequency : is the number of times an electrical wave repeats a positive- to- negative cycle) Mostly , the