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elias7114
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272. Choose the correct variant: Have you ever seen a film ___ subtitles? 273. Choose the correct variant: I do a lot of shopping these days.

274. Choose the correct variant: I can ___ the song for you tonight

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romankovalev21
romankovalev21
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1) the secondary winding of a transformer is connected to the load resistance.. while 2) the primary winding receives energy. 3) a step-down transformer decreases the primary voltage while 4) an air core transformer is used for hight-frequency currents. 5) in a step-up transformer the number of turns of the secondary winding is greater, while the number of turns of the primary winding is less.

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