교류 회로에서 전류의 흐름을 방해하는 저항과 리액턴스의 합계인 복합 저항.
The total effective resistance of an electric circuit or component to alternating current, resulting from the combination of ohmic resistance and reactance.
예문:
"The engineer measured the impedance of the circuit to ensure compatibility with the power source."
"High impedance in the speakers can lead to a significant loss of audio quality if not properly matched."
"The complex impedance of the system includes both resistance and reactance components."
매질 내에서 음파의 전달을 방해하는 정도를 나타내는 물리량.
The ratio of sound pressure to volume flow rate in a medium, representing the resistance to the passage of sound waves.
예문:
"The acoustic impedance of the wall material determines how much sound is reflected versus absorbed."
"Medical ultrasound relies on the difference in acoustic impedance between different body tissues."