All 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Word Description
OCV open-circuit voltage
Ohm The unit of measure for resistance within an electrical circuit. Its symbol is the Greek letter omega.
Ohm's Law An equation E (Volts) = I (Current) x R (Resistance) that expresses the relationship between volts, amps and ohms in an electrical circuit with resistance.
Ohmmeter An instrument used to measure resistance in an electrical circuit
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Open Circuit A circuit that has a broken or interrupted path, preventing current flow
Open-Circuit Voltage (OCV) The no-load voltage of a cell or battery measured with a voltmeter. See also Closed-Circuit Voltage
Overcharging The forcing of current through the battery after it is fully charged. Overcharging reduces service life and can damage the battery.