series resonance: meaning, definition, pronunciation and examples
C2Technical / Academic
Quick answer
What does “series resonance” mean?
A condition in an electrical circuit containing inductance, capacitance, and resistance in series, where the inductive and capacitive reactances cancel each other out, resulting in maximum current and minimum impedance at a specific frequency.
Audio
Pronunciation
Definition
Meaning and Definition
A condition in an electrical circuit containing inductance, capacitance, and resistance in series, where the inductive and capacitive reactances cancel each other out, resulting in maximum current and minimum impedance at a specific frequency.
The phenomenon where a series-connected inductor and capacitor have equal and opposite reactances at a particular frequency, causing the circuit to oscillate with maximum energy transfer and creating a sharp peak in current response. This concept extends metaphorically to describe any system where components interact to produce a dramatically amplified output at a specific condition.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or spelling differences. The technical definition is identical. Regional pronunciation differences follow standard patterns for the component words 'series' and 'resonance'.
Connotations
Identical technical connotations. In educational contexts, it might be introduced at slightly different curriculum stages.
Frequency
Equally low-frequency outside electrical engineering, physics, and related technical fields. Frequency within those fields is very high.
Grammar
How to Use “series resonance” in a Sentence
[Subject: Circuit/System] + [Verb: reaches/achieves/is at] + series resonance[Noun: Frequency/Point] + [Preposition: of] + series resonance[Verb: Tune/Adjust] + [Object: Circuit] + [Prepositional Phrase: to series resonance]Vocabulary
Collocations
Usage
Meaning in Context
Business
Virtually never used. Might appear in technical specifications for electrical components or in R&D reports for engineering firms.
Academic
Core concept in electrical engineering, physics (especially electromagnetism), and circuit theory textbooks, lectures, and research papers.
Everyday
Not used in everyday conversation unless among engineers or hobbyists discussing electronics.
Technical
Primary context. Used in design, analysis, and troubleshooting of filters, tuned circuits, antenna systems, and power electronics. Appears in datasheets, simulation software, and technical manuals.
Vocabulary
Synonyms of “series resonance”
Neutral
Weak
Vocabulary
Antonyms of “series resonance”
Watch out
Common Mistakes When Using “series resonance”
- Using 'series resonance' to describe a sequence of resonant events (e.g., 'a series of resonances').
- Confusing it with 'parallel resonance', which has opposite impedance characteristics.
- Pronouncing 'series' as /ˈsɪr.aɪz/ instead of /ˈsɪə.riːz/ or /ˈsɪr.iːz/.
FAQ
Frequently Asked Questions
No. 'Resonance' is a general physical phenomenon. 'Series resonance' is a specific type of electrical resonance that occurs in a circuit where the inductor (L) and capacitor (C) are connected in series. It has defined mathematical conditions (XL = XC) and specific consequences for current and impedance.
It is crucial in bandpass and notch (band-stop) filter design, radio frequency tuning circuits (e.g., in radios to select a station), and in some types of impedance matching networks. It allows for the selective amplification or rejection of a specific frequency.
The impedance is at its theoretical minimum, equal only to the resistance (R) in the circuit. The reactive components (inductor and capacitor) cancel each other out, leaving only the resistive component to oppose the current.
Yes, in power systems. If a series resonance condition occurs accidentally at the line frequency (e.g., 50/60 Hz), it can lead to excessively high currents, damaging equipment like capacitors, transformers, and transmission lines due to overheating. This is a key consideration in power engineering.
A condition in an electrical circuit containing inductance, capacitance, and resistance in series, where the inductive and capacitive reactances cancel each other out, resulting in maximum current and minimum impedance at a specific frequency.
Series resonance is usually technical / academic in register.
Series resonance: in British English it is pronounced /ˈsɪə.riːz ˈrɛz.ən.əns/, and in American English it is pronounced /ˈsɪr.iːz ˈrez.ən.əns/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of a SERIES of swings (circuit components) all being pushed at just the right time (resonant frequency) so they move together with maximum effect (current).
Conceptual Metaphor
TUNING FOR MAXIMUM EFFECT: A system is precisely adjusted until its components work in perfect sync, causing a dramatically powerful output from a small input. PRECISE ALIGNMENT FOR AMPLIFICATION.
Practice
Quiz
What is the primary characteristic of a circuit at series resonance?