If you think to an electrical current the SI unit is ampere (A).
Relative intensity is measured in decibels and is abbreviated dB.
The symbol for luminous intensity is Iv, and it is measured in candelas (cd) in the field of optics.
The intensity of earthquakes is measured on the Richter Scale.
The abbreviation for electric intensity is " I " the intensity is measured in amps using an ammeter.
Intensity refers to the amount of energy in a sound wave, measured in watts per square meter, while loudness is the perception of intensity by the human ear, measured in units called decibels. Intensity can be objectively measured, while loudness is a subjective perception that can vary from person to person.
When a behavior is measured in terms of its intensity, the characteristic being measured is its strength or magnitude. Intensity reflects how forcefully or prominently a behavior is exhibited, indicating variations in energy, enthusiasm, or commitment. This measurement can help differentiate between mild and extreme expressions of a behavior.
It is luminous intensity measured in candelas
decibels
Earthquake magnitude is measured using a number of differing scales including the Richter scale, the moment magnitude scale and the surface magnitude scale. Intensity is measured using he Modified Mercalli intensity scale.
Sound intensity I is measured in watts per meter squared (W/m²). Look at the link: "Conversion of sound units (levels)".
Intensity refers to the amount of energy an sound wave carries, while loudness is the perception of that intensity by the human ear. Intensity is measured in watts per square meter, whereas loudness is measured in decibels. So, while intensity is a physical quantity, loudness is a subjective experience.
Intensity can be measured by converting units of electrical power in to decibels.