Agneta Kronkvist – författare

Electricity 21 - phase alternating current The book starts with a summary of the DC theory for rehearsing and as reference. 1 - phase alternating current concepts, formulas and mathematics are explained step-by-step, aiming to give the reader ability of electric thinking and a method for analysis and calculations. Formulas and mathematics are explained thoroughly to make also unaccustomed mathematicians to feel comfortable. Most section ends with test-yourself exercises.