What Order Do I Read the Millennium Series in Order
Meters
Among the nigh 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 excursion is not opened when its resistance is measured.
The readings on the scale show the measured value. The ammeter is used to measure out the value of current. When the ammeter is used the circuit should be opened at one pointand the terminals of the meter should exist connected to it. One
should accept into consideration that the positive terminal of the meter is continued to the positive terminal of the source; the negative terminal - to the negative concluding of the source. The ammeter should be connected in series. The readings on the calibration show the measured value.
iii. Complete the sentences using the correct variant:
one. The ammeter is
a) a common meter.
b) an uncommon meter.
2. In order to measure the value of current
a) the ohmmeter is used,
b) the voltmeter is used.
c) the ammeter is used.
3. A meter has
a) positive terminals only.
b) negative terminals simply.
c) positive and negative terminals.
iv. When the ammeter is used
a) the circuit should exist opened.
b) the circuit should non be opened.
v. The ammeter should exist connected
a) in series,
b) in parallel.
6. One should accept into consideration that
a) the positive terminal should be connected to the negative terminal.
b) the positive final should exist connected to the positive terminal of the source.
Pair work. Put these questions to your groupmate. Allow him/her answer them.
1. What is the ammeter used for?
2. What is the voltmeter used for?
3. What is the ohmmeter used for?
4. What terminals does a meter have?
5. Should the measured excursion be opened when the voltmeter is used?
half dozen. Should the measured circuit be opened when the ammeter is used?
7. In what way should the voltmeter exist connected to the circuit?
8. In what way should the ammeter be connected to the circuit?
ix. What is the divergence between a voltmeter and an ammeter?
10. What common meters are used to measure the values in a circuit?
Практическое занятие v. Резисторы
Lesson v. Resistors
1. Read and larn the words:
chapters - емкость
power - мощность
estrus - теплота, нагрев
rate - скорость, степень
to produce - производить
to change - менять(ся)
to vary - варьировать(ся)
low - низкий
loftier - высокий
stock-still – постоянный
any - (зд.) любой
variable - переменный
the (more)... the (more) чем (больше) ... тем (больше)
two. Interpret into Russian using чем ... тем :
1. The more one studies nature, the better one knows its laws.
2. The longer one learns, the more one knows.
3. The college the atmosphere, the less is its pressure.
4. The heavier the object, the more work one has to do in order to lift it.
5. The greater the number of free electrons in any metal, the higher is its
conductivity.
3. Interpret into Russian. Heed no.
1. There is no energy in this auto.
2. No charges move through an open up excursion.
3. No material is a perfect conductor of electricity.
4. No electric machinery is used without protection.
five. No special textile is needed in this case.
Read and translate the text.
Resistors
A resistor is one of the most common elements of any excursion. Resistors are used: ane. to reduce the value of current in the circuit; 2. to produce IR voltage drop and in this way to change the value of the voltage. When current is passing through a resistor its temperature rises high. The higher the value of current the higher is the temperature o f a resistor. Each resistor has a maximum temperature to which it may exist heated without a trouble. If the temperature rises higher the resistor gets
open and opens the circuit. Resistors are rated in watts. The watt is the rate at which electric energy is supplied when a current of ane ampere is passing at a potential difference of one volt. A resistor is rated as a I-W resistor if its resistance
equals one,000,000 ohms and its electric current-carrying capacity equals I/1,000,000 amp, since P = Eastward x I = IR ten I = I2R where P - ability is given in watts, R - resistance is given in ohms and I - current is given in amperes. If a resistor has a resistance of only 2 ohms but its current-carrying capacity equals 2,000 amp, it is rated equally a viii,000,000-W resistor. Some resistors have a abiding value - these are fixed resistors, the value of other resistors may be varied - these are variable resistors.
5. Consummate the sentences using the correct variant:
one. A resistor is used
a) to measure the resistance.
b) to reduce the current.
c) to modify the resistance.
d) to produce IR voltage drop.
2. When current passes through a resistor
a) its temperature drops.
b) its temperature rises.
three. Resistors are rated
a) in ohms.
b) in volts.
c) in watts.
4. Ability is given
a) in amperes.
b) in watts.
5. Fixed resistors accept
a) a constant value.
b) a variable value.
6. The value of a variable resistor
a) is fixed.
b) is varied.
seven. A ii-ohm resistor rated every bit a 8,000,000-Westward resistor
a) has a electric current-conveying capacity equal to two,000 amp.
b) has a current-carrying capacity equal to 200 amp.
Pair work. Put these questions to your groupmate and let him/her answer them.
1. What is a resistor used for?
2. When does the temperature of a resistor rise?
three. What element is used to change the value of voltage?
4. How are resistors rated?
5. What types of resistors exercise you know?
6. When does a resistor become open up?
7. What does an open resistor outcome in?
8. What is the departure between a fixed resistor and a variable resistor?
9. How much is the current-carrying capacity of a two-ohm resistor?
10. What resistors have a variable value?
Практическое занятие 6. Гальванические элементы
Lesson 6. Electrical Cells
one. Read and learn the words:
Cell - элемент
output - емкость, мощность
bulb - электрическая лампа
to calorie-free - зажигать, освещать
to increase - увеличиваться), возрастать
to substitute - заменять
...and so on - и так далее
Read and translate the text.
Electric Cells
An electrical prison cell is used to produce and supply electric energy. It consists of an electrolyte and ii electrodes. Electrodes are used as terminals, they connect the cell to the circuit - current passes through the terminals and the seedling lights.
Cells tin can exist continued in series, in parallel and in series-parallel. In order to increase the electric current capacity cells should be connected in parallel. In society to increase the voltage output cells should be connected in serial. In case a battery has a big electric current capacity and a large voltage output, its cells are continued in series-parallel.
When cells are connected in series the positive terminal of i cell is continued to the negative terminal of the second prison cell, the positive terminal of the second jail cell - to the negative terminal of the tertiary ... and then on.
When cells are connected in parallel their negative terminals are connected together and their positive terminals are besides connected. In case a cell has a problem it stops operating or operates badly. This cell should be substituted by another i.
3. Complete the sentences using the correct variant:
i. A cell is used
a) to increase the voltage output.
b) to reduce the current chapters.
c) to supply electric free energy.
2. The terminals of a cell are used
a) to conduct current.
b) to increase voltage.
c) to connect the battery to a circuit.
3. When cells are continued in serial
a) all the positive terminals are continued together.
b) all the negative terminals are continued together.
c) the positive terminal of 1 cell is connected to the negative terminal of the second.
4. Cells are continued in series in society
a) to increase the electric current capacity.
b) to increase the voltage output.
v. In society to increase the current capacity
a) cells are continued in serial,
b) cells are connected in parallel.
4. Answer the following questions:
1. What is a cell used for?
ii. What does a cell consist of?
3. What is the function of the terminals?
4. In what way are cells connected in order to increase the voltage output?
5. In what way are cells connected in order to increase the current capacity?
6. In what manner are the terminals of series cells connected?
vii. In what case does a cell stop operating?
eight. What should be washed in instance it stops operating?
Meters
Amongst the nigh mutual meters used in that location are the ohmmeter, the ammeter and the voltmeter. The ohmmeter is used to mensurate the value of resistance. It consists of a milliammeter calibrated to read in ohms, a battery and resistors. The meter is continued in parallel and the excursion 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 exist opened at 1 pointand 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 final - to the negative terminal of the source. The ammeter should be connected in serial. The readings on the calibration show the measured value.
three. Complete the sentences using the right variant:
1. The ammeter is
a) a mutual meter.
b) an uncommon meter.
2. In order to measure the value of electric current
a) the ohmmeter is used,
b) the voltmeter is used.
c) the ammeter is used.
three. A meter has
a) positive terminals only.
b) negative terminals only.
c) positive and negative terminals.
iv. When the ammeter is used
a) the excursion should exist opened.
b) the circuit should not be opened.
5. The ammeter should be connected
a) in serial,
b) in parallel.
half-dozen. One should have into consideration that
a) the positive terminal should be connected to the negative final.
b) the positive final should exist connected to the positive terminal of the source.
Pair piece of work. Put these questions to your groupmate. Let him/her respond them.
1. What is the ammeter used for?
two. What is the voltmeter used for?
3. What is the ohmmeter used for?
four. What terminals does a meter have?
5. Should the measured circuit exist opened when the voltmeter is used?
6. Should the measured excursion be opened when the ammeter is used?
7. In what way should the voltmeter be connected to the excursion?
8. In what style should the ammeter exist connected to the circuit?
ix. What is the deviation between a voltmeter and an ammeter?
10. What mutual meters are used to measure the values in a excursion?
Практическое занятие 5. Резисторы
Lesson 5. Resistors
1. Read and learn the words:
capacity - емкость
power - мощность
heat - теплота, нагрев
charge per unit - скорость, степень
to produce - производить
to change - менять(ся)
to vary - варьировать(ся)
low - низкий
high - высокий
stock-still – постоянный
any - (зд.) любой
variable - переменный
the (more than)... the (more) чем (больше) ... тем (больше)
2. Translate into Russian using чем ... тем :
one. The more one studies nature, the better ane knows its laws.
2. The longer i learns, the more one knows.
3. The higher the atmosphere, the less is its pressure.
4. The heavier the object, the more than work one has to exercise in order to lift it.
5. The greater the number of gratis electrons in whatsoever metal, the higher is its
conductivity.
3. Translate into Russian. Heed no.
1. There is no energy in this motorcar.
two. No charges move through an open circuit.
3. No material is a perfect conductor of electricity.
four. No electric mechanism is used without protection.
5. No special material is needed in this case.
Read and interpret the text.
Resistors
A resistor is one of the near common elements of any circuit. Resistors are used: 1. to reduce the value of current in the circuit; two. to produce IR voltage drop and in this style to alter the value of the voltage. When current is passing through a resistor its temperature rises loftier. The college the value of current the higher is the temperature o f a resistor. Each resistor has a maximum temperature to which it may be heated without a problem. If the temperature rises higher the resistor gets
open up and opens the circuit. Resistors are rated in watts. The watt is the charge per unit at which electric energy is supplied when a electric current of ane ampere is passing at a potential difference of ane volt. A resistor is rated as a I-Due west resistor if its resistance
equals 1,000,000 ohms and its current-conveying chapters equals I/one,000,000 amp, since P = East 10 I = IR x I = I2R where P - ability is given in watts, R - resistance is given in ohms and I - current is given in amperes. If a resistor has a resistance of only ii ohms just its current-carrying capacity equals 2,000 amp, it is rated as a 8,000,000-W resistor. Some resistors have a abiding value - these are stock-still resistors, the value of other resistors may be varied - these are variable resistors.
v. Complete the sentences using the correct variant:
1. A resistor is used
a) to measure the resistance.
b) to reduce the current.
c) to change the resistance.
d) to produce IR voltage drop.
ii. When current passes through a resistor
a) its temperature drops.
b) its temperature rises.
3. Resistors are rated
a) in ohms.
b) in volts.
c) in watts.
iv. Ability is given
a) in amperes.
b) in watts.
5. Fixed resistors have
a) a constant value.
b) a variable value.
vi. The value of a variable resistor
a) is stock-still.
b) is varied.
7. A 2-ohm resistor rated equally a 8,000,000-Westward resistor
a) has a current-carrying chapters equal to 2,000 amp.
b) has a current-carrying capacity equal to 200 amp.
Pair work. Put these questions to your groupmate and permit him/her answer them.
1. What is a resistor used for?
2. When does the temperature of a resistor rise?
3. What chemical element is used to alter the value of voltage?
4. How are resistors rated?
5. What types of resistors do you know?
6. When does a resistor become open up?
7. What does an open resistor result in?
8. What is the difference between a stock-still resistor and a variable resistor?
9. How much is the current-carrying chapters of a two-ohm resistor?
10. What resistors have a variable value?
Практическое занятие 6. Гальванические элементы
Lesson half-dozen. Electric Cells
1. Read and acquire the words:
Cell - элемент
output - емкость, мощность
seedling - электрическая лампа
to light - зажигать, освещать
to increase - увеличиваться), возрастать
to substitute - заменять
...and and then on - и так далее
Read and translate the text.
Electrical Cells
An electrical cell is used to produce and supply electrical energy. Information technology consists of an electrolyte and two electrodes. Electrodes are used as terminals, they connect the jail cell to the circuit - electric current passes through the terminals and the seedling lights.
Cells can be connected in series, in parallel and in series-parallel. In order to increase the electric current capacity cells should be connected in parallel. In order to increase the voltage output cells should exist connected in series. In case a battery has a large current capacity and a large voltage output, its cells are connected in series-parallel.
When cells are connected in series the positive terminal of one cell is continued to the negative final of the 2d cell, the positive terminal of the second jail cell - to the negative concluding of the tertiary ... and so on.
When cells are continued in parallel their negative terminals are continued together and their positive terminals are besides connected. In example a jail cell has a trouble it stops operating or operates badly. This prison cell should be substituted by another one.
3. Consummate the sentences using the correct variant:
1. A jail cell is used
a) to increase the voltage output.
b) to reduce the electric current capacity.
c) to supply electric energy.
2. The terminals of a cell are used
a) to carry current.
b) to increment voltage.
c) to connect the battery to a circuit.
iii. When cells are connected in series
a) all the positive terminals are connected together.
b) all the negative terminals are connected together.
c) the positive terminal of one cell is connected to the negative terminal of the second.
4. Cells are connected in series in society
a) to increase the electric current capacity.
b) to increase the voltage output.
5. In order to increment the current capacity
a) cells are connected in series,
b) cells are connected in parallel.
iv. Reply the post-obit questions:
1. What is a jail cell used for?
2. What does a cell consist of?
3. What is the function of the terminals?
4. In what mode are cells connected in lodge to increase the voltage output?
5. In what style are cells continued in club to increase the current chapters?
6. In what style are the terminals of series cells connected?
7. In what case does a cell stop operating?
8. What should exist done in case it stops operating?
Source: https://studopedia.ru/22_26052_Read-and-translate-the-text.html
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