Lesson Flashcards: Alternating Current Circuits Physics • 10th Grade

RL circuit

A circuit that has nonzero values of resistance and inductance

Alternating current

A current that varies continously in magnitude and periodically reverses direction

Instantaneous current

The current in a component of an alternating current circuit at a given instant

Phase angle

The angular difference between the oscillations of the instantaneous current in and the instantaneous potential difference across a component of an alternating current circuit

Frequency

The number of cycles of alternation of current that occurs in an alternating current circuit in a unit time

Root-mean-square current

The value of current that is proportional to the power dissipated by an alternating current

RC circuit

A circuit that has nonzero values of resistance and capacitance

Instantaneous potential difference

The potential difference across a component of an alternating current circuit at a given instant

RLC circuit

A circuit that has nonzero values of resistance, inductance, and capacitance

Alternating current circuit

A circuit that is connected to a source of alternating potential difference

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