Предмет: Физика, автор: ZakLina

помогите привести примеры  механического действия электрического тока

Ответы

Автор ответа: vilone
0

Каждый проводник, по которому течет электрический ток, образует вокруг себя магнитное силовое поле. Эти магнитные действия превращаются в движение, например, в электромоторах, в магнитных подъемных устройствах, в магнитных вентилях и в реле

Автор ответа: Solei1
0

Механическое действие тока приводит к расслоению, разрыву тканей организма в результате электродинамического эффекта, а также мгновенного взрывоподобного образования пара из тканевой жидкости и крови. Механическое действие связано с сильным сокращением мышц вплоть до их разрыва.

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Предмет: Английский язык, автор: chitakpro2
Present simple – fill in correct verb

Jim………………..(not/go) to the cinema. What………………..you………………..(do) at the weekends? I………………..(be/not) 14 years old. My parents………………..(can/not) ride a motorbike. Where………………..you………………..(live)? What………………..(be) your favorite band? Tina………………..(not/have) long hair. How often………………..it………………..(snow) here? I………………..(not/like) my job. Peter………………..(wash) his hair twice a week. We sometimes………………..(watch) TV. Where………………..(be) you from? She………………..(be/not) very small. James and Paul………………..(not/read) very often. I………………..(not/like) cooking. My brother and his friends………………..(play) tennis every week! ………………..you always………………..(get up) early? How much………………..it………………..to fly to London? She………………..(study) for waiter. My sister………………..(can/not) stop eating chocolate.

When do we use present simple? ……………………………………………………………………….................
………………………………………………………………………………………………………………….......

Present continuous – fill in correct verb

Jane ……………….. (not/work) now. It ……………….. (snow) and ……………….. (freeze). We ……………….. (not/watch) TV. Somebody ……………….. (sing). Where ……………….. you ……………….. (go)? The wind ……………….. (not/blow) now. I ……………….. (not/listen) radio! Ann ……………….. (have) a shower. Be quiet, I……………….. (work). What ……………….. the children ……………….. (do) today? Why ……………….. you ……………….. (look at) me? We ……………….. (not/have) dinner, we ……………….. (play) computer games. Jim ……………….. (wait) for a bus at the moment. Good bye, I ……………….. (leave)! Why ……………….. Peter ……………….. (laugh)? The sun ……………….. (shine). What time ……………….. you ……………….. (come)? Paul ……………….. (sit) in his room.

When do we use present continuous? ………………………………………………………………………..........
.......…………………………………………………………………………………………………………………

Present continuous or present simple – fill in correct verb in present continuous or present simple

……………….. you ……………….. (speak) English? My sister ……………….. (work) as a dentist. Where ……………….. he ……………….. (go) now? I ……………….. (not/see) her very often. What………………..you………………..(do) at the moment ? Answer: I ……………….. (have) a bath. He ……………….. usually ……………….. (not/work) at the weekends. Sue really ……………….. (like) chocolate, and she ……………….. (prefer) with nuts. What ……………….. she ……………….. (do) today? What time ……………….. your school ……………….. (finish) on Fridays?

Correct the mistakes

She always arriving early.
This food cost a lot of money.
What do you doing now?
Carol is liking to go to the cinema.
Tony is have a shower now.
I am cooking dinner every day.
What does you do? I am a teacher.
I go out tonight.
How often is it snowing here?
Where is your parents live?'