effective resistance
MediumFormal; Technical (in its literal sense)
Definition
Meaning
1. (literal/technical) The actual resistance in an electrical circuit, taking into account factors like frequency and temperature. 2. (figurative/idiomatic) The genuine, practical opposition or pushback against an idea, system, or force, as opposed to nominal or theoretical resistance.
The real-world capacity to withstand, hinder, or oppose something. In physics, it's the total impedance in a DC circuit or the resistive component of impedance in an AC circuit. In broader contexts, it signifies the tangible, consequential barriers faced by movements, policies, or changes.
Linguistics
Semantic Notes
As a technical term, it is precise and measurable. As a figurative phrase, it is often used in analytical or strategic discussions about social, political, or organisational change to contrast with passive or symbolic opposition.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning. Spelling follows respective conventions (e.g., 'behaviour' vs. 'behavior' in surrounding text).
Connotations
Identical in both varieties. The technical usage is universal in engineering contexts.
Frequency
Slightly higher frequency in American English in socio-political discourse, but comparable in technical writing.
Vocabulary
Collocations
Grammar
Valency Patterns
The effective resistance [of something] [to something] is/was high.They faced effective resistance [from a group].To calculate/measure the effective resistance.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “To run into the effective resistance of the system.”
Usage
Context Usage
Business
The new policy met with effective resistance from middle management, slowing implementation.
Academic
The study measured the effective resistance of the community to the proposed social reforms.
Everyday
My plan to reorganise the garage met effective resistance from the rest of the family.
Technical
The effective resistance of the coil at 50 Hz was found to be 12 ohms.
Examples
By Part of Speech
verb
British English
- The new regulations are likely to be resisted effectively by the industry.
- They effectively resisted the takeover bid.
American English
- The team effectively resisted the last-minute changes.
- Protesters effectively resisted the police advance.
adverb
British English
- The community resisted the development plans effectively.
- The circuit was designed to dissipate heat more effectively.
American English
- The troops resisted effectively despite being outnumbered.
- The material resists corrosion effectively.
adjective
British English
- They mounted an effective resistance campaign.
- The most effective resistance comes from organised labour.
American English
- An effective resistance movement formed quickly.
- Her argument was the most effective resistance to the proposal.
Examples
By CEFR Level
- The door was stuck. We pushed with effective resistance.
- Big rocks have effective resistance against water.
- The team showed effective resistance and finally won the game.
- To make the boat move, you must overcome the effective resistance of the water.
- The government's reforms met with effective resistance from powerful interest groups.
- The engineer calculated the effective resistance of the parallel circuit.
Learning
Memory Aids
Mnemonic
Think of a dam (effective) holding back water (resistance), not just a sign saying 'No Entry'.
Conceptual Metaphor
RESISTANCE IS A FORCE/OBSTACLE; EFFECTIVENESS IS STRENGTH/REALITY.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid translating as "эффективное сопротивление" in non-technical contexts if it implies the resistance itself is efficient; the phrase means 'реальное/действительное сопротивление'.
- Do not confuse with "реактивное сопротивление" (reactance), which is a different electrical concept.
Common Mistakes
- Using it to mean 'resistance that works well' (as an adjective-noun phrase where 'effective' modifies the quality of resistance) rather than 'the real/actual resistance encountered'.
- Confusing 'effective resistance' (AC circuits) with 'DC resistance' in technical writing without specifying context.
Practice
Quiz
In which context is the term 'effective resistance' MOST likely to be used with its technical, precise meaning?
FAQ
Frequently Asked Questions
Not exactly. In everyday language, 'resistance' can be passive or symbolic. 'Effective resistance' specifically implies resistance that has a real, tangible impact in slowing or stopping something.
No. Impedance is the total opposition to current in an AC circuit (including resistance and reactance). Effective resistance is specifically the real, power-dissipating component of that impedance.
It is neutral-descriptive. It can be viewed positively (e.g., effective resistance against an injustice) or negatively (e.g., effective resistance against a necessary reform), depending on the speaker's perspective.
Ask: Am I talking about the *actual, consequential* opposition or hindrance, as opposed to what is merely stated, expected, or symbolic? If yes, the usage is likely correct.