explain the function of the brush ring in electric generator
Brush (electric) A brush is a device which conducts current between stationary wires and moving parts, most commonly in a rotating shaft. Typical applications include electric motors, alternators and electric generators.
Bracket Forms include round (also called "parentheses"), square, curly (also called "braces"), and angle brackets (also called "chevrons"); and various other pairs of symbols.
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Limit of a function (the Dirichlet function) has no limit at any x-coordinate.