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the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices

of or relating to electronics; concerned with or using devices that operate on principles governing the behavior of electrons

of or relating to electronics; concerned with or using devices that operate on principles governing the behavior of electrons

electrical device consisting of a flat insulated surface that contains switches and dials and meters for controlling other electrical devices

electrical device consisting of a flat insulated surface that contains switches and dials and meters for controlling other electrical devices