Out of 45 graduates at my High School in 1974, twelve took Physics our Senior year. I promise each of those 12 had a thorough understanding of Ohm's LAW.
In 1974 Ohm's law had yet to be defined and discovered. You were still using cunieform and working on developing proto-hebrew language.
Rural Idaho was much advanced for the times.
People who choose to brew up their own storms bitch loudest about the rain.