IMPEDANCE - Định nghĩa trong Từ điển tiếng Anh
impedance (noun)
/ɪmˈpiːdns/
Giải nghĩa:
The measure of the opposition that a circuit presents to a current when a voltage is applied.
Ví dụ:
The total impedance of this circuit is 120 ohms.
impedance (noun)
/ɪmˈpiːdns/
Giải nghĩa:
Resistance or barrier to something.
Ví dụ:
His speech impairment is an impedance to his career in broadcasting.
Cách sử dụng
Impedance is a technical word that we use to talk about how hard it is for electricity to flow through a circuit or electronic device. It's like a measure of resistance - the higher the impedance, the more difficult it is for electricity to move through the circuit. Impedance is important to consider when designing circuits and electronic devices, because it can affect things like the quality of sound or the amount of power that can be transmitted. In these contexts, you might hear people talking about adjusting the impedance of a piece of equipment to improve its performance.In more everyday language, you might hear the word used metaphorically to describe the difficulty or resistance someone faces when trying to achieve something. For example, you might say that a lack of education is an impedance to finding a good job, meaning it makes it harder to succeed.
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