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Ohm's law

relationship between voltage and current across an ideal resistor
Thing physical_law Q41591
Ohm's law
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Summary

Ohm's law is a physical law[1]. It ranks in the top 2% of physical law entities by monthly Wikipedia readership (17,355 views/month).[2]

Key Facts

  • Named after: Georg Simon Ohm[3]
  • Commons category: Ohm's law[4]
  • Main subject: resistor[5]
  • Described by source: Meyers Konversations-Lexikon, 4th edition (1885–1890)[6], Collier's New Encyclopedia, 1921[7]
  • On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[8]
  • Maintained by WikiProject: WikiProject Mathematics[9]

Why It Matters

Ohm's law has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[10] It is known by 41 alternative names across languages and contexts.[11]

Related Entities

Georg Simon Ohm

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [10] ↑ . Wikidata sitelinks. wikidata.org.
  3. [11] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Ohm's law. Retrieved October 17, 2026, from https://4ort.xyz/entity/ohm-s-law
MLA “Ohm's law.” 4ort.xyz Knowledge Graph, 4ort.xyz, 17 Oct. 2026, https://4ort.xyz/entity/ohm-s-law.
BibTeX @misc{4ortxyz_ohm-s-law_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ohm's law}}, year = {2026}, url = {https://4ort.xyz/entity/ohm-s-law}, note = {Accessed: 2026-10-17}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Ohm's law — https://4ort.xyz/entity/ohm-s-law (retrieved 2026-10-17)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 21w ago · Twofivesixbot bot · 2026-05-19 view diff on Wikidata ↗
    Maintained by wikiproject → WikiProject Mathematics
    Main subject → resistor
    Local thumb → —
    Instance of → —
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|6 */ Yso id: 10293, mv to monolingual text names on YSO statements"
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