Английский язык | 10 - 11 классы
ПОМОГИТЕ ПОЖАЛУЙСТА!
VII. Выберите правильный вариант ответа, переведите эти предложения.
1. The ammeter is a) a common meter.
B)an uncommon meter.
2. In order to measure the a) the ohmmeter is used, value of current b) the voltmeter is used.
C) the ammeter is used.
3. A meter has a) positive terminals only.
B) negative terminals only.
C) positive and negative terminals.
4. When the ammeter is used a) the circuit should be opened.
B) the circuit should not be opened.
5. The ammeter should be con - a) in series, nected b) in parallel.
6. One should take into consid - a) the positive terminal should beeration that connected to the negative terminal.
B) the positive terminal should be connected to the positive terminal of the source.
ПОМОГИТЕ ПОЖАЛУЙСТА С ПЕРЕВОДОМ?
ПОМОГИТЕ ПОЖАЛУЙСТА С ПЕРЕВОДОМ!
Meters Among the most common meters used there are the ohmmeter, the ammeter and the voltmeter.
The ohmmeter is used to measure the value of resistance.
It consists of a milliammeter calibrated to read in ohms, a battery and resistors.
The meter is connected in parallel and the circuit is not opened when its resistance is measured.
The readings on the scale show the measured value.
The ammeter is used to measure the value of current.
When the ammeter is used the circuit should be opened at one point and the terminals of the meter should be connected to it.
One should take into consideration that the positive terminal of the meter is connected to the positive terminal of the source ; the negative terminal - to the negative terminal of the source.
The ammeter should be connected in series.
The readings on the scale show the measured value.
Помогите пожалуйста (rain) it still when you (come) in?
Помогите пожалуйста (rain) it still when you (come) in?
- Put the verb into the past continuous or past simple (positive, negative or question form).
Put each of the following words in its correct place in the passage below?
Put each of the following words in its correct place in the passage below.
Bones
fit
quality
bought
pain
shape
choose
place
shoes chosen
properly
size
feet
protect ^ Shoes and Health
Shoes should be ….
With the idea that they are made to …… and support the
…… .
They should be …… for shape, ……… and the …… of the material.
…… is no guarantee that …… will fit, and people should …….
Shoes that follow the …… of the foot.
Only with …… fitting shoes will the wearer avoid the ….
Of having the small ….
Of the foot pushed out of …… .
Fill in the blanks in the sentences?
Fill in the blanks in the sentences.
Choose the suitable verbs from the list below and make any changes where necessary.
Keep in mind that each verb should be used only once.
Why should we protect the Earth?
Why should we protect the Earth?
Complete the sentences with a regular verb in the positive and then in the negative?
Complete the sentences with a regular verb in the positive and then in the negative.
Помогите правильно перевести текст?
Помогите правильно перевести текст!
И ответить на вопросы ALTERNATING CURRENT Current is defined as increment of electrons.
The unit for measuring current was named in honor of A.
M. Ampere, the French physicist.
Thus it is called ampere.
The symbol for current is I.
The electric current is a quantity of electrons flowing in a circuit per second of time.
The electrons move along the circuit because the e.
M. f.
Drives them.
The current is directly proportional to the e.
M. f.
A steam of electrons in a circuit will develop a magnetic field around the conductor along which the electrons are moving.
The strength of the magnetic field depends upon the current strength along the conductor.
The direction of the field is dependant upon the direction of the current.
If the force causing the electron flow is indirect, the current is called direct (d.
C. ).
If the force changes its direction periodically the current is called alternative (a.
C. ).
Alternating current is the current that changes direction periodically.
The electrons leave one terminal of the power supply, flow out along the conductor, stop, and then flow back toward the same terminal.
168 A voltage that caused current reverses its polarity periodically.
This is properly called an alternating voltage.
The power supply that provides the alternating voltage actually reverses the polarity of its terminals according to a fixed periodic pattern.
A given terminal will be negative for a specific period of time and drive electrons out through the circuit.
Then, the same terminal becomes positive and attracts electrons back from the circuit.
This voltage source cannot be a battery.
It must consist of some types of rotating machinery = 1300.
[email ; protected] Answer the questions : 1.
Why do electrons move along the circuit?
2. What does the strength of the magnetic field depend upon?
3. What is alternating current?
4. What is an alternating voltage?
How should you get bread from the far end of the table?
How should you get bread from the far end of the table?
Сhange negative forms into the positive forms without full stops?
Сhange negative forms into the positive forms without full stops.
1. Mike doesn’t ride
2.
The boys don’t run
3.
She doesn’t tidy.
Сhange the positive phrases into the negative ones?
Сhange the positive phrases into the negative ones.
Use full verb forms without full stops.
1. Sam sleeps
2.
Sally sleeps
3.
They walk.
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1b 2 a 3c 4a 5a 6b вроде бы так.