what is ohm's law, ohm's law working, ohm's law limitation, ohm's law applications, ohm's law Hello friends, I hope you all are doing great. In today's tutorial, we will discuss What is Ohm's Law. In 1781 an English scientist and philosopher Henry Cavendish was doing an experiment on the tubes which were prepared by the brittle material like glass to measure their radius (r) and length, tube ...