alternating current

https://doi.org/10.1351/goldbook.A00252
Current with sinusoidal wave forms; all other wave forms should be termed 'periodic'.
See also: amplitude of alternating current
Source:
PAC, 1985, 57, 1491. 'Recommended terms, symbols, and definitions for electroanalytical chemistry (Recommendations 1985)' on page 1494 (https://doi.org/10.1351/pac198557101491)