The henry (symbolized H) is the Standard International ( SI ) unit of inductance . Reduced to base SI units, one henry is the equivalent of one kilogram meter squared per second squared per ampere squared (kg m 2 s -2 A -2 ).

Henry is the unit of Inductance

Inductance is a fundamental concept in electromagnetism and is a property of an electrical circuit or component that opposes any change in current flowing through it. It is denoted by the symbol 'L' and is measured in Henry (H), named after the American scientist Joseph Henry.

What is Inductance?
Inductance is the property of a circuit or component that stores electrical energy in the form of a magnetic field. When the current flowing through an inductor changes, it induces a voltage that opposes the change in current. This phenomenon is known as self-induction.

Unit of Inductance
The unit of inductance is the Henry (H), named after Joseph Henry, who discovered the phenomenon of self-induction. One Henry is defined as the amount of inductance that induces an electromotive force (emf) of one volt when the current through the inductor changes at a rate of one ampere per second.

Relation to Other Units
- 1 Henry (H) = 1 volt per ampere (V/A)
- 1 Henry (H) = 1 Weber per ampere (Wb/A)
- 1 Henry (H) = 1 Tesla square meter per ampere (T·m²/A)

Applications
Inductors, which are components designed to have a specific inductance, are widely used in electrical and electronic circuits. Some common applications of inductors include:
- Filtering and smoothing of power supplies
- Energy storage in power electronic systems
- Tuning circuits in radios and televisions
- Signal processing in audio equipment
- Motor speed control in variable frequency drives

Conclusion
In summary, the Henry (H) is the unit of inductance, which is a property of an electrical circuit or component that opposes changes in current. Inductance is an important concept in electromagnetism and has various applications in electrical and electronic systems.