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12-09-2022
Physics

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The amplifier in a battery-powered device is being designed to deliver 50 mw to a set of headphones. the impedance of the headphones can be chosen to be?

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Tutorconsortium364 Tutorconsortium364

14-09-2022

The impedance of the headphones can be chosen to be 32ohms impedance.

What is impedance?

The perceived resistance to the flow of an alternating current in an electrical circuit, which is comparable to the real electrical resistance to a direct current and which equals the ratio of effective electromotive force to effective current.

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