Examlex
____ can be produced in AC circuits only when both current and voltage are either positive or negative.
Drafting
The preliminary stage of writing or drawing up documents, plans, designs, or legislation before they are finalized.
Research
the systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.
Surveying
The act of examining and recording the features of a piece of land to accurately define its boundaries and create maps or plots.
Observing
The act of carefully watching or monitoring something or someone to gather data or information.
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