В элетрокипятильнике вода массой 5 кг нагревается от 10 до 100°с за 10 минут какой силы ток - №32091684

В элетрокипятильнике вода массой 5 кг нагревается от 10 до 100°с за 10 минут какой силы ток проходит по обмотк нагревателя если напрядение в сети 220В»
- Предмет:
  Физика
- Автор:
  charityiypp
- 6 лет назад

Ответы 1

Q=cmt=90*5*4200=1890000 дж
Q=uit=220*600*i=132000*i
i=Q/13200~14.3 ампер
- Автор:
  haley35
- 6 лет назад
- 0
Добавить свой ответ

Еще вопросы

Найти координаты точки пересечения графика функции y = x + 4 с осью y
- Предмет:
  Алгебра
- Автор:
  squirt69
- 6 лет назад
- Ответов:
  
  1
- Смотреть
Выберите соответствующую форму страдательного залога.
1.The salad ___ of fruit and was very tasty.
was cooked
is cooked
will be cooked
2.The rice soup ___ of rice and carrots.
is made
will be made
both variants
3.A round-trip ticket___ two days ago.
was bought
is bought
will be bought
4.When the___ test ___ checked?
are
were
will be
5.How many roses___ planted?
is
was
were
6.The problem of pollution ___ in many countries.
is discussed
were discussed
have been discussed
7.The kinds of crops ___ by the climate.
is determined
are determined
was determined
8.Natural resources ___ by special organizations.
are managed
was managed
has been managed
9.Extensive agriculture ___ where land is plentiful.
is practiced
were practiced
have been practiced
10.___ the doctor sent for or not?
is
was
will be
11.The luggage ___ brought by the porter.
are
was
were
12.The tourists ___ shown around London by the guide.
is
was
will be
- Предмет:
  Английский язык
- Автор:
  jennynash
- 6 лет назад
- Ответов:
  
  1
- Смотреть
Помогите пожалуйста!! 1! Надо до завтра (! Заранее благодарен
- Предмет:
  Геометрия
- Автор:
  baileymorris
- 6 лет назад
- Ответов:
  
  2
- Смотреть
which of these restaurants would you choose to go to? Why?
Помогите очень срочно прошу!!!
- Предмет:
  Английский язык
- Автор:
  miguelsutton
- 6 лет назад
- Ответов:
  
  5
- Смотреть

How much to ban the user?

1 hour 1 day 100 years