Definition

A unit of measurement for inductance, which is a property of an electrical circuit that opposes changes in current. It is defined as the amount of inductance that produces one volt of electromotive force when the current changes at a rate of one ampere per second.

Example

The inductor in the circuit has a value of 10 henries, which means it can store a significant amount of energy.

Conversation

Did you know that the henry is the unit of inductance?

I heard about it in physics class, but I don't really understand it.

It's used to measure how much voltage is induced when the current changes.

That makes sense! I need to brush up on my electrical concepts.

Synonyms & Antonyms

Root Explanation

The name 'Henry' originates from Old High German 'Heimirich', which is composed of 'heim' (meaning home) and 'ric' (meaning ruler or power). Thus, 'Henry' means ruler of the home or estate.

Memory Tip

Think of a 'ruler' ('ric') of a 'home' ('heim') — that's why the name Henry signifies a powerful leader of a household.

Visually Confused Words