Участок цепи переменного тока с напряжением (/= 220 В
и частотой / = 50 Ги представляет собой параллельное соединение
катушки индуктивности (R= 100 Ом и L= 30 мГ») и илевльного
конденсатора с емкостью С = 70 мкФ. Определить общий ток и
токи в ветвях, активную, реактивную и полную мошности катуш-
ки, конденсатора и всей цепи.
ответ:1.Составить во к следующим ответам.
1. I am doing my homework now.
2. They usually do their homework in the evening
3. My mother went shopping last Friday.
4. My friends have been in Italy 2 years ago.
2. Используйте глаголы в скобках в правильной форме.
1. I (has written, wrote, have written)
the letter yesterday.
2. Tamara (has, have) already (cleans, cleaned) the room.
3. I (have done, is doing, am doing) my lessons now.
4. He (has done, have done, did) his exercises till six o’clock.
Объяснение:
1.Составить во к следующим ответам.
1. I am doing my homework now.
2. They usually do their homework in the evening
3. My mother went shopping last Friday.
4. My friends have been in Italy 2 years ago.
2. Используйте глаголы в скобках в правильной форме.
1. I (has written, wrote, have written)
the letter yesterday.
2. Tamara (has, have) already (cleans, cleaned) the room.
3. I (have done, is doing, am doing) my lessons now.
4. He (has done, have done, did) his exercises till six o’clock.
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