Unidirectional, or alternating, and the latter of high or of low frequency, amperemeters may first be divided into those (I) for continuous or direct currents, (2) for low frequency alternating currents, and (3) for high frequency alternating currents.
low frequency הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד