Reactance Meaning
/riˈæktance/Definition, CEFR level B2, pronunciation, examples, and quiz.
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Definition
nounThe opposition to the change in flow of current in an alternating current circuit, due to inductance and capacitance; the imaginary part of the impedance. Symbol: X.
nounA similar effect in magnetism.
Sentence Examples
Reactance is a property that opposes the flow of AC currents.
The engineer measured the capacitive reactance of the system.
The technician measured the inductive reactance of the circuit.
CEFR Practice Quiz
The students' ____ caused them to break the rules when they were told to follow them.
CEFR Practice Quiz (Alternate)
The ____ of the capacitor in the circuit decreased as the frequency of the signal increased.
Word Origin & History
Etymology tree English react Proto-Indo-European *-yós Proto-Italic *-ios Old Latin -ios Latin -ius Latin -iader. Old French -ancebor. Middle English -aunce English -ance English reactance From react + -ance.
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CEFR Practice Quiz
The students' ____ caused them to break the rules when they were told to follow them.
CEFR Practice Quiz (Alternate)
The ____ of the capacitor in the circuit decreased as the frequency of the signal increased.