noun🔗SharePff"After I told him I couldn't lend him money, his only response was a dismissive "pf." "soundexclamationcommunicationChat with AIVocabulary GamePractice Reading
noun🔗ShareThe ratio of the actual power to the apparent power in an alternating current power system; specifically, the cosine of the phase angle between the voltage and the current."The power factor is of interest because it is a measure of the power which does useful work."physicsenergyelectronicstechnicalelectricsystemfunctionChat with AIVocabulary GamePractice Reading