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Site Guide: glossary | q-rglos.htm*

Recombination:The action by which current carriers (electrons and holes) combine and cancel each other.
Rectification:The conversion of ac to pulsating dc.
Rectifier:A device which converts ac to pulsating dc.
Reverse Bias:A dc voltage applied to a PN junction so that the positive terminal of the voltage source connects to the N-type material and the negative terminal to the P-type material. It produces reverse current in the circuit.
Reverse Current:Current in a circuit of a semiconductor device due to conduction by minority carriers across PN junction.
Rotor:The movable plates of a variable capacitor.
Renewable Energy (RE): Energy produced from virtually inexhaustible sources such as solar, wind, hydro, biomass, geothermal, tidal and wave.
Resistance: The opposition to flow of direct current (DC).
RMS or Root Means Square: A measure of AC voltage that would provide the equivalent heating value across a resistor as a DC source of the same voltage.
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