a has various meanings in the Science category. Discover the full forms, definitions, and usage contexts of a in Science.
(Atomic Mass Average) The average mass of all nuclides of an element determined by the proportions in which each nuclide of the element are present within the earth and its atmosphere.
ScienceThe maximum instantaneous value of alternating current or voltage. It can be in either a positive or negative direction. The greatest distance through which an oscillating body moves from the mid point. OR A measure of floor vibration. It is the magnitude or total distance traveled by each oscillation of the vibration. OR A measurement of the distance from highest to lowest excursion of a variable or physical motion. Often used with reference to waveforms.
ScienceThe unit expressing the rate of flow of an electric current. One ampere is the current produced by a difference in potential of one volt across a resistance of one ohm; An electric current flowing at the rate of one coulomb per second. OR An ampere is SI unit of the rate of electron flow in an conductor. Unit of electric current. Dimension symbol of Ampere is I. OR Named after André-Marie Ampère, French mathematician and physicist, OR ampere The basic unit of electric current.
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