Предмет: Другие предметы, автор: niiikaaak

Определить активное и реактивное сопротивление участка цепи, если i(t) = 5 sin(wt + 30) А,
u(t) = 30 sin(wt – 25) В.
Нарисовать эквивалентную схему двухполюсника.
Определить электроемкость конденсатора при частоте тока 500 Гц.

Ответы

Автор ответа: kristinaermilova10
0

какой предмет? мне нужно


niiikaaak: электротехника
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Предмет: Английский язык, автор: Ruse4ka9614
Раскройте скобки, употребив правильную глагольную форму.

It (1 — be) a hot day. When Marian and her father (2 — enter) the woods, it (3 — begin) to rain. But they not (4 — mind) that, because it (5 — feel) nice and cool. They (6 — run) down into the valley. At the bottom of the valley (7 — be) a small river and a bridge over it. This place (8 — call) "Robin Leap." They (9 — stop) for a while to admire the view.

Marian (10— ask) her father why it (11 — call) "Robin Leap." Her father (12— say): "They (13 — say) Prince John on horseback (14 — come) after Robin Hood who (15 — be) on foot. When they (16 — come) to this place R. Hood (17 — think) he (18 — catch) because there (19 — be) no bridge in those days. But to the Prince's surprise Robin Hood (20— jump) over the river and (21 — get) away."

Marian (22 — wonder) if her father (23 — believe) it (24 — be) true. Her father (25 —say) he (26 — be) not quite sure.

They (27 — run) deeper into the woods. Suddenly they (28 — begin) to hear thunder and (29 — see) lightning in the sky. It (30 — pour) down now, but Marian's father (31 — say) it (32 — stop) in a minute.

Suddenly there (33 — be) a tremendous flash. Marian (34 — throw) into some bushes. She (35 — realize) she (36 — strike) by lightning. Slowly she (37 — sit) up, her legs (38 — bleed), but she not (39 – hurt) badly. Then she (40 – see) her father. He (41 – fall) under a tree and couldn't move.