Easy(er) Electrical Principles for Extra Class Ham License (2012-2016)
Publisher Description
Taking an exam in order to get a ham license is quite stressful ordeal as it comes. To make things worse most people get extremely confused when dealing with calculations required. This guide will help you understand how to come to the answer as simply as possible and without calculator (which you will inevitably forget at home).
Only Electrical Principles part of an exam is covered