Вопрос № 237467 - 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.

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Solar cell is a _______ devised to convert light to electric current.

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 _______ sensors are used to detect liquid or powder levels, or interfaces between liquids.

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 _______ is the most commonly used semiconductor material today, along with gallium arsenide, germanium, and some other materials.

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The resistive temperature device can actually be regarded as a high precision wire wound _______.