Вопрос № 884625 - Английский язык

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Now we shall discuss amplifier circuits, or more specifically, audio amplifiers. 1 _________ is an electron tube or transistor circuit, which 2_________________ up an ac signal applied to its input. It is called a voltage amplifier if the magnitude of the output  3  __________ . From the amplifier is considerably greater than that of the input voltage. As a matter of fact the ratio of the output voltage to the 4__________________ voltage is called the amplification or gain of the amplifier.

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Now we shall discuss amplifier 1________________, or more specifically, audio amplifiers. An amplifier is an electron tube or transistor circuit, which 2_________________ up an ac signal applied to its input. It is called a voltage amplifier if the magnitude of the output 3__________________ from the amplifier is considerably greater than that of the input voltage. As a matter of fact the ratio of the output voltage to the 4__________________ voltage is called the amplification or gain of the amplifier.

Satellite radio is an analogue or digital radio signal that is ________ through one or more satellites and thus can be received in a much wider geographical area than terrestrial FM radio stations.

A receiver is a (an) _______ used to receive radio signals.

Nowadays communications tend to use optical fibres to _______ light signals from lasers and LEDs.

The ______ branch of a government decides whether laws are good and whether people have disobeyed these laws.