Transformers and Alternating Current - La Salle University | PPTFinder | PPT Finder
Transformers and Alternating Current - La Salle University
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High Freq. HF. 3 MHz - 30 MHz. 100 m - 10 m. Very High Freq. VHF. 30 MHz - 300 MHz ... If the secondary voltage is raised, it is called a step-up transformer.