What type of data is voltage?

Could you clarify what you mean by "voltage" in the context of data types? Voltage is typically associated with electrical engineering and physics, where it refers to the potential difference in electric charge between two points. In the realm of data and finance, we usually deal with numerical, categorical, or textual data types. Are you asking about how voltage might be represented or analyzed in a data science or financial context? If so, please elaborate on the specific scenario you have in mind.