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Electricity/Alternating current

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Engineering
Subject classification: this is an engineering resource.
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Educational level: this is a tertiary (university) resource.

Electricity provides a sinusoidal time varying voltage over time

Symbol

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o---[~]---o

Alternating Current and conductor

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Resistors

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Voltage

Current

Power

Impedance

Reactance

Capacitors

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An idealized capacitor.


Voltage

Current

Power

Impedance


Reactance

Phase angle difference

Time constant

Frequency respond

Low frequency . , . Capacitor open circuit
High frequency. , . Capacitor short circuit

Inductors

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Voltage

Current

Power

Impedance


Reactance

Phase angle difference

Time constant

Frequency respond

Low frequency . , . Inductor shorts circuit
High frequency. , . Inductor opens circuit

See Also

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