Ohm is an electrical resistance unit used in circuit calculations and component ratings.
Ohm became standard as electrical theory and component manufacturing matured into practical circuit engineering.
Measurement system: Electrical engineering and circuit-analysis usage. SI equivalent: 1 Ω = 1 Ω.
Ohm facts
- Unit name
- Ohm
- Symbol
- Ω
- Category
- Resistance
- Measurement system
- Electrical engineering and circuit-analysis usage
- SI equivalent
- 1 Ω = 1 Ω
- Common uses
- Resistors, circuit design, diagnostics and electrical calculations
Definition of the ohm
Ohm is an electrical resistance unit used in circuit calculations and component ratings.
Measurement system and SI relationship
Electrical engineering and circuit-analysis usage
SI equivalent: 1 Ω = 1 Ω
History of the ohm
Ohm became standard as electrical theory and component manufacturing matured into practical circuit engineering.
Where is the ohm used?
Resistors, circuit design, diagnostics and electrical calculations