5. На цоколе лампы накаливания написано: «150 Вт, 220 В». Найдите силу тока в спирали при включении в сеть с номинальным напряжением - №28484208

5. На цоколе лампы накаливания написано: «150 Вт, 220 В». Найдите силу тока в спирали при включении в сеть с номинальным напряжением
- Предмет:
  Физика
- Автор:
  greysonzyxr
- 6 лет назад

Ответы 1

P=UI => I=P/UI=150Вт/220В=0,6(81)А≈0,68А
- Автор:
  salvador82
- 6 лет назад
- 0
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Stuart climbed out of bed and put on his slippers. He took his bow and arrow and his flash light and went out into the corridor. Everybody was asleep and the house was dark. Stuart went slowly downstairs and came selessly. He was still weak after into the dining-room noi his illness and he felt dizzyi. he said to himself. I must do it Noiselessly he went across the room to the lamp which stood near the bookshelf and climbed it up. There on the bookshelf, he saw Margalo who was asleep in the fern, with her head under her wing "sleep, Margalo," Stuart whispered. Then he hid be hind a book and began to wait. At first he saw nothi ing and heard nothing. The elock struck ten, and just at that moment Stuart saw two gleaming yellow eyes under the sofa "So I was right," thought Stuart. He took his bow and arrow The eyes came nearer. Stuart was frightened, but he was a brave mouse. He put the arrow against the cord of the bow and waited. Snowball came softly to the bookshelf and climbed noiselesaly up into the chair quite elf and close to it. waved There he lay down, ready to spring. His tail back and eyes gleamed bright. Stuart decid- time had come He went down on his knees, ed that the trent his bow, took aim at Snowball's left ear and whot the arrow. snowball screamed with paina, jumped down and ran off to the kitchen "A direct hitt" said Stuart. "It was good work!" He was
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