Предмет: Физика, автор: mikiert

Сила струму в провіднику 2 А. За який інтервал часу через провідник пройде заряд 28 Кл?​

555ai555: t = q/I = 28/2 = 14c

Ответы

Автор ответа: diaskabiken34
0

Ответ:

14 сек

Объяснение:

q=It=>t=q/I

t=

\frac{28}{2} = 14

Ответ: 14 сек

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a.has left

b. wiil have left

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Задание


English Tenses

Test

1.'We'd better take a taxi to the station' ' Yes, the train..... in 15 minutes'

a.has left

b. wiil have left

c. leaves



2.'Where is the newspaper?' 'I threw it away. I thought you.....reading it.'

a.finished

b. have finished

c. had finished



3.'There's someone here to see you.' 'Oh, that .... my sister. Send her in.'

will be
was
will have been


4.'Whose is this earring?' 'I don't know. I found it when I....the house.'

a. was cleaning

b. am cleaning

c. had cleaned



5. 'That.....like Dad's car.' 'It is. He must have finished work early.'

a. sounds

b. has sounded

c. had sounded


6. 'Is that a new jumper?' 'No. I.....it from Laura yesterday.'

a. have borrowed

b. borrowed

c. had borrowed



7.'When did you speak to Sue?' 'I met her as I ....to work.'

a.am walking

b.had walked

c.was walking

bh

8.Joanne is a secretary, isn't she?' 'Yes. She...............as a secretary for seven years.'
a.works

b.is working

c.has been working



9.'Is Katie enjoying her university course?' 'Yes. She.............. the lectures very interesting.'

a. found

b. finds
c. had found



10.'Cathy doesn't study enough.' 'I know. I'm afraid she.... her exam.'

a. won't be passing

b. won't pass

c. won't have passed
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