Радиопередатчик, в колебательном контуре которого есть катушка с индуктивностью 0,25 µ
Гн, излучает модулированные электромагнитные волны длиной 3 см. Скорость света 3*10 8 м/с.

Как называется процесс, когда звук, попавший в микрофон изменяет амплитуду высокочастотного сигнала? ( )

Рассчитайте какой частоты сигнал производит генератор передатчика ( )

Какой емкости конденсатор включен в колебательный контур передатчика? ( )

Какие особенности распространения длинных волн? Для чего их используют? ( )

Какой из приведенных графиков соответствует сигналу, вышедшему из микрофона? ( )

Какие принципы радиосвязи применяются при приеме радио волн? ( )

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Ответ:

AmoskovaAlenka

24.03.2021 18:06

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