What is inductance measured in?

Prepare for the TPC Basic Electricity and Electronics Test. Use flashcards and multiple choice questions with hints and explanations. Ace your exam with confidence!

Inductance is measured in henries, which is the standard unit named after the American scientist Joseph Henry, who contributed significantly to the study of electromagnetism. The henry quantifies a coil's ability to store energy in a magnetic field when an electric current passes through it. Specifically, one henry is defined as the inductance of a coil in which a change in current of one ampere per second induces an electromotive force (emf) of one volt. Understanding inductance in terms of henries allows for precise calculations and applications in electrical and electronic circuits, such as in transformers, inductors, and various types of AC circuits, impacting their behavior and performance. Other units mentioned, such as volts, ohms, and coulombs, pertain to different electrical concepts—voltage, resistance, and electric charge, respectively—and thus do not measure inductance.

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