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Definitions from the Web

Impedance

Definition:

Impedance refers to the measure of opposition that an electric circuit presents to the flow of alternating current (AC). It combines both resistance and reactance.

Parts of Speech

Noun: impedance

Senses

1. Electronics: The total opposition to an alternating current in an electric circuit.
2. Audio Engineering: The measure of opposition a device or circuit presents to the flow of audio frequency current.
3. Medicine: A term in audiology used to represent the total resistance to the flow of energy in a system.

Usages

Popular Usage:

1. Impedance matching is crucial in audio systems to prevent signal distortion.
2. Understanding the impedance of a circuit is important for determining its overall performance.

Local Usage:

1. In this region, the impedance of power lines is actively monitored to ensure reliable electricity supply.

Sample Sentences

1. The technician explained that the impedance of the capacitor affects the circuit's ability to filter high-frequency signals.
2. She adjusted the impedance control on the amplifier to improve the sound quality.
3. The doctor measured the impedance of the patient's ear to assess their auditory health.

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