• Найдите в тексте английские эквиваленты: 


    Называется счетчиком 


    Назван в честь… 


    Ток в проводнике 


    Сопротивление проводника 


    Электрическая мощность 


    Очень чувствительные 


    Часто используются 


    Измерять электрический ток 


    Потенциальная разница 


    Должен быть соединен 


    The capacitor 


    A capacitor is an electrical device for storing quantities of electricity. The general form of a capacitor is what of two parallel conducting plates. 


    Such plates are of relatively large area, close together, and contain between them a non-conducting medium called the dielectric common dielectric are air, glass, oil and waxed paper. 


    To increase the capacitance of a capacitor the following changes can be made: first, the area of the plates may be increased. 


    Second, the plates may be put closer together 


    Third, a more suitable dielectric may be inserted between the plates. 


    If the plates of a capacitor are small in area and far apart, the capacitance is small. If the area is large and plates close together, the capacitance is large. The unit of capacitance, the farad, named in honour of Michael Faraday scientist a capacitance of 1 farad is very large and for practical purposes is not used. The microfarad is more convenient. Capacitors in common use today are of various kinds, sizes and shapes. Perhaps the most common is the so-called «paper capacitor» used in radios and the ignition system of automobiles another type of capacitor is the variable capacitor commonly used in tuning radios. 



Ответы 1

  • The capacitor 

    named in honour of Michael Faraday

    «paper capacitor»

    variable capacitor

    the dielectric

    air, glass, oil and waxed paper. 

    «paper capacitor»

    capacitance of 1 farad

    two parallel conducting plates. 

    between the plates. 

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