coulomb field: meaning, definition, pronunciation and examples

Very Low
UK/ˈkuːlɒm fiːld/US/ˈkuːlɑːm fiːld/

Technical/Scientific

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Quick answer

What does “coulomb field” mean?

The electrostatic force field surrounding an electrically charged particle or object.

Audio

Pronunciation

Definition

Meaning and Definition

The electrostatic force field surrounding an electrically charged particle or object.

The region of space in which a stationary electric charge exerts a force on other charges, described by Coulomb's law. In broader physics contexts, it can refer to the classical electrostatic field component of a more complex electromagnetic field.

Dialectal Variation

British vs American Usage

Differences

No significant lexical or spelling differences. Pronunciation of 'coulomb' may vary slightly.

Connotations

Identical technical connotations in both varieties.

Frequency

Equally rare and specialised in both dialects, confined to physics and engineering contexts.

Grammar

How to Use “coulomb field” in a Sentence

The coulomb field [of/around/surrounding] [a charged object]To calculate/measure/observe the coulomb fieldA [adjective] coulomb field exists...The particle interacts with the coulomb field.

Vocabulary

Collocations

strong
electrostaticstaticradialsurroundingproduced bydue toof a point charge
medium
strength of thecalculate theeffect of theinteraction betweenspherical
weak
strongweakexternaltotalresultant

Examples

Examples of “coulomb field” in a Sentence

adjective

British English

  • The coulomb-field interaction is fundamental.
  • We studied coulomb-field effects.

American English

  • The coulomb field interaction is fundamental.
  • We studied coulomb field effects.

Usage

Meaning in Context

Business

Not used.

Academic

Exclusively used in physics and electrical engineering textbooks, research papers, and lectures.

Everyday

Virtually never used in everyday conversation.

Technical

Core term in electrostatics, electrical engineering, and particle physics discussions.

Vocabulary

Synonyms of “coulomb field”

Weak

electric field (in static contexts)static field

Vocabulary

Antonyms of “coulomb field”

Watch out

Common Mistakes When Using “coulomb field”

  • Pronouncing 'coulomb' as /ˈkʌləm/ (like 'column').
  • Using it to describe a changing electromagnetic field (it's specifically electrostatic).
  • Misspelling as 'coloumb field' or 'coulumb field'.
  • Treating it as an uncountable noun (e.g., 'much coulomb field').

FAQ

Frequently Asked Questions

In the context of stationary charges (electrostatics), they are essentially synonymous. However, 'electric field' is a broader term that also encompasses fields from changing magnetic fluxes, while 'coulomb field' specifically implies the static field described by Coulomb's law.

Charles-Augustin de Coulomb (1736–1806) was a French physicist. He formulated Coulomb's law, which quantifies the electrostatic force between two charged particles. The unit of electric charge, the coulomb (C), and the term 'coulomb field' are named after him.

Yes, absolutely. A coulomb field is a fundamental property of a charge and exists in a vacuum. In fact, Coulomb's law is defined for point charges in a vacuum. In materials, the field is modified by the presence of other charges.

You would use it for precision, typically in advanced physics or engineering, to emphasise the static, inverse-square law nature of the field. It's common in phrases like 'coulomb field approximation' or when contrasting with other field types (e.g., 'radiation field').

The electrostatic force field surrounding an electrically charged particle or object.

Coulomb field is usually technical/scientific in register.

Coulomb field: in British English it is pronounced /ˈkuːlɒm fiːld/, and in American English it is pronounced /ˈkuːlɑːm fiːld/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Think of a single, stationary charge sitting in space. The invisible 'force halo' it creates, pushing or pulling other charges, is its COULOMB FIELD. Remember Charles-Augustin de COULOMB, who discovered the law describing this force.

Conceptual Metaphor

A FIELD is often conceptualised as a region of influence (like a farmer's field, but for forces). The COULOMB FIELD is the 'sphere of influence' of an electric charge.

Practice

Quiz

Fill in the gap
The around a proton attracts electrons.
Multiple Choice

What does a 'coulomb field' specifically describe?