Unit 2
Technical English: the text "Electricity" to read and translate;
Ex. 1, 2 after the text to do in written form;
To write the summary of the text.
ВМ-1-22
29.11.22
29.11.22
Re: 29.11.22
Ex1
1. The French scientist Charles Fransois de Cisternay Du Fay was the first to make clear the two different types of electric charge: positive and negative.
2. His famous kite experiment proved that the atmospheric electricity that causes the phenomena of lightning and thunder is identical with the electrostatic charge on a Leyden jar.
3. Priestley also demonstrated that an electric charge distributes itself uniformly over the surface of a hollow metal sphere, and that no charge and no electric field of force exists within such a sphere.
4. The Italian physicists Luigi Galvani and Alessandro Volta conducted the first important experiments in electrical currents.
5. An important contribution to the study of electricity in the 19th century was the work of the British mathematical physicist James Clerk Maxwell.
6. About 1840 James Prescott Joule and the German scientist Hermann Ludwig Ferdinand von Helmholtz demonstrated that electric circuits obey the law of the conservation of energy and that electricity is a form of energy.
7. The Dutch physicist Hendrik Antoon Lorentz first advanced the electron theory, which is the basis of modern electrical theory in 1892.
8. The widespread use of electricity as a source of power is largely due to the work of such pioneering American engineers and inventors as Thomas Alva Edison, Nikola Tesla, and Charles Proteus Steinmetz.
9. Equal and oppositely charged bodies are connected to each other by a metal conductor.
11. The flow of electrons from a point with a lower potential to a point with a higher potential.
13. About 1840 James Prescott Joule and the German scientist Hermann Ludwig Ferdinand von Helmholtz demonstrated that electric circuits obey the law of the conservation of energy and that electricity is a form of energy.
15. About 1840 James Prescott Joule and the German scientist Hermann Ludwig Ferdinand von Helmholtz demonstrated that electric circuits obey the law of the conservation of energy and that electricity is a form of energy.
16. The compass needle located next to the wire will deviate in the direction perpendicular to the wire.
Ex2.
1.There are two types of electric charges: positive and negative.
2.His experiments proved that atmospheric electricity, which causes the phenomenon of lightning and thunder, is identical to the electrostatic charge of the "Leyden jar".
3.The force between electric charges varies inversely with the square of the distance between the charges.
4.This scientist made a great contribution to the development of the doctrine of electricity.
5.Electricity is a form of energy.
6.Electric circuits obey the laws of conservation of energy.
7.Properties of electromagnetic waves.
8.The widespread use of electricity as a source of energy occurred at the beginning of the last century.
9.Equal and oppositely charged bodies are connected to each other by a metal conductor.
10.The flow of electrons from a negatively charged body to a positively charged body.
11.The flow of electrons from a point with a lower potential to a point with a higher potential.
12.The resistance in the network limits the amount of current.
13.Ohm's law can be expressed as the following algebraic equation.
14.When an electric current passes through a wire, the temperature of the wire rises.
15.When the electrons of the current collide with the atoms of the conductor, energy is generated.
16.The compass needle located next to the wire will deviate in the direction perpendicular to the wire.
Re: 29.11.22
Exercise 1
1. The French scientist Charles Fransois de Cisternay Du Fay was the first to make clear the two different types of electric charge: positive and negative.
2. Benjamin Franklin's famous experiment with a kite proved that atmospheric electricity, which causes the phenomena of lightning and thunder, is identical to the electrostatic charge on the Leiden jar.
3. Priestley also demonstrated that the electric charge is evenly distributed over the surface of a hollow metal sphere and that there is no charge or electric field inside such a sphere.
4. Italian physicists Luigi Galvani and Alessandro Volta conducted the first important experiments with electric currents.
5. Faraday, who made a great contribution to the study of electricity in the early 19th century, was also responsible for the theory of electric lines of force.
6. Around 1840, James Prescott Joule and German scientist Hermann Ludwig Ferdinand von Helmholtz demonstrated that electrical circuits obey the law of conservation of energy and that electricity is a form of energy.
7. The Dutch physicist Hendrik Antoine Lorenz first put forward the electronic theory, which is the basis of modern electrical theory, in 1892.
8. The widespread use of electricity as an energy source is largely due to the work of such innovative American engineers and inventors as Thomas Alva Edison, Nikola Tesla and Charles Proteus Steinmetz.
Exercise 2
1. There are two types of electric charges: positive and negative.
2. His experiments proved that atmospheric electricity, which causes the phenomenon of lightning and thunder, is identical to the electrostatic charge of the "Leiden jar".
3. The force between electric charges varies inversely proportional to the square of the distance between the charges.
4. This scientist made a great contribution to the development of the doctrine of electricity.
5. Electricity is a form of energy.
6. Electrical circuits obey the laws of conservation of energy.
7. Properties of electromagnetic waves.
8. The widespread use of electricity as an energy source occurred at the beginning of the last century.
9. Equal and oppositely charged bodies are connected to each other by a metal conductor.
10. The flow of electrons from a negatively charged body to a positively charged body.
11. The flow of electrons from a point with a lower potential to a point with a higher potential.
12. The resistance in the network limits the amount of current.
13. Ohm's law can be expressed as the following algebraic equation.
14. When an electric current passes through the wire, the temperature of the wire rises.
15. When current electrons collide with conductor atoms, energy is generated.
16. The compass needle located next to the wire will deviate in the direction perpendicular to the wire.
Re: 29.11.22
Шведкова Алёна ВМ-1-22
Exercise 1
1. The French scientist Charles Fransois de Cisternay Du Fay was the first to make clear the two different types of electric charge: positive and negative.
2. Benjamin Franklin's famous experiment with a kite proved that atmospheric electricity, which causes the phenomena of lightning and thunder, is identical to the electrostatic charge on the Leiden jar.
3. Priestley also demonstrated that the electric charge is evenly distributed over the surface of a hollow metal sphere and that there is no charge or electric field inside such a sphere.
4. Italian physicists Luigi Galvani and Alessandro Volta conducted the first important experiments with electric currents.
5. Faraday, who made a great contribution to the study of electricity in the early 19th century, was also responsible for the theory of electric lines of force.
6. Around 1840, James Prescott Joule and German scientist Hermann Ludwig Ferdinand von Helmholtz demonstrated that electrical circuits obey the law of conservation of energy and that electricity is a form of energy.
7. The Dutch physicist Hendrik Antoine Lorenz first put forward the electronic theory, which is the basis of modern electrical theory, in 1892.
8. The widespread use of electricity as an energy source is largely due to the work of such innovative American engineers and inventors as Thomas Alva Edison, Nikola Tesla and Charles Proteus Steinmetz.
Exercise 2
1. There are two types of electric charges: positive and negative.
2. His experiments proved that atmospheric electricity, which causes the phenomenon of lightning and thunder, is identical to the electrostatic charge of the "Leiden jar".
3. The force between electric charges varies inversely proportional to the square of the distance between the charges.
4. This scientist made a great contribution to the development of the doctrine of electricity.
5. Electricity is a form of energy.
6. Electrical circuits obey the laws of conservation of energy.
7. Properties of electromagnetic waves.
8. The widespread use of electricity as an energy source occurred at the beginning of the last century.
9. Equal and oppositely charged bodies are connected to each other by a metal conductor.
10. The flow of electrons from a negatively charged body to a positively charged body.
11. The flow of electrons from a point with a lower potential to a point with a higher potential.
12. The resistance in the network limits the amount of current.
13. Ohm's law can be expressed as the following algebraic equation.
14. When an electric current passes through the wire, the temperature of the wire rises.
15. When current electrons collide with conductor atoms, energy is generated.
16. The compass needle located next to the wire will deviate in the direction perpendicular to the wire.
Re: 29.11.22
ульянова Аа ВМ-1-22
Ex1
1. The French scientist Charles Fransois de Cisternay Du Fay was the first to make clear the two different types of electric charge: positive and negative.
2. His famous kite experiment proved that the atmospheric electricity that causes the phenomena of lightning and thunder is identical with the electrostatic charge on a Leyden jar.
3. Priestley also demonstrated that an electric charge distributes itself uniformly over the surface of a hollow metal sphere, and that no charge and no electric field of force exists within such a sphere.
4. The Italian physicists Luigi Galvani and Alessandro Volta conducted the first important experiments in electrical currents.
5. An important contribution to the study of electricity in the 19th century was the work of the British mathematical physicist James Clerk Maxwell.
6. About 1840 James Prescott Joule and the German scientist Hermann Ludwig Ferdinand von Helmholtz demonstrated that electric circuits obey the law of the conservation of energy and that electricity is a form of energy.
7. The Dutch physicist Hendrik Antoon Lorentz first advanced the electron theory, which is the basis of modern electrical theory in 1892.
8. The widespread use of electricity as a source of power is largely due to the work of such pioneering American engineers and inventors as Thomas Alva Edison, Nikola Tesla, and Charles Proteus Steinmetz.
9. Equal and oppositely charged bodies are connected to each other by a metal conductor.
11. The flow of electrons from a point with a lower potential to a point with a higher potential.
13. About 1840 James Prescott Joule and the German scientist Hermann Ludwig Ferdinand von Helmholtz demonstrated that electric circuits obey the law of the conservation of energy and that electricity is a form of energy.
15. About 1840 James Prescott Joule and the German scientist Hermann Ludwig Ferdinand von Helmholtz demonstrated that electric circuits obey the law of the conservation of energy and that electricity is a form of energy.
16. The compass needle located next to the wire will deviate in the direction perpendicular to the wire.
Ex2.
1.There are two types of electric charges: positive and negative.
2.His experiments proved that atmospheric electricity, which causes the phenomenon of lightning and thunder, is identical to the electrostatic charge of the "Leyden jar".
3.The force between electric charges varies inversely with the square of the distance between the charges.
4.This scientist made a great contribution to the development of the doctrine of electricity.
5.Electricity is a form of energy.
6.Electric circuits obey the laws of conservation of energy.
7.Properties of electromagnetic waves.
8.The widespread use of electricity as a source of energy occurred at the beginning of the last century.
9.Equal and oppositely charged bodies are connected to each other by a metal conductor.
10.The flow of electrons from a negatively charged body to a positively charged body.
11.The flow of electrons from a point with a lower potential to a point with a higher potential.
12.The resistance in the network limits the amount of current.
13.Ohm's law can be expressed as the following algebraic equation.
14.When an electric current passes through a wire, the temperature of the wire rises.
15.When the electrons of the current collide with the atoms of the conductor, energy is generated.
16.The compass needle located next to the wire will deviate in the direction perpendicular to the wire.
Re: 29.11.22
Ex.1
1. The French scientist Charles Fransois de Cisternay Du Fay was the first to make clear the two different types of electric charge: positive and negative.
2. His famous kite experiment proved that the atmospheric electricity that causes the phenomena of lightning and thunder is identical with the electrostatic charge on a Leyden jar.
3. Priestley also demonstrated that an electric charge distributes itself uniformly over the surface of a hollow metal sphere, and that no charge and no electric field of force exists within such a sphere.
4. The Italian physicists Luigi Galvani and Alessandro Volta conducted the first important experiments in electrical currents.
5. An important contribution to the study of electricity in the 19th century was the work of the British mathematical physicist James Clerk Maxwell.
6. About 1840 James Prescott Joule and the German scientist Hermann Ludwig Ferdinand von Helmholtz demonstrated that electric circuits obey the law of the conservation of energy and that electricity is a form of energy.
7. The Dutch physicist Hendrik Antoon Lorentz first advanced the electron theory, which is the basis of modern electrical theory in 1892.
8. The widespread use of electricity as a source of power is largely due to the work of such pioneering American engineers and inventors as Thomas Alva Edison, Nikola Tesla, and Charles Proteus Steinmetz.
9. Equal and oppositely charged bodies are connected to each other by a metal conductor.
11. The flow of electrons from a point with a lower potential to a point with a higher potential.
13. About 1840 James Prescott Joule and the German scientist Hermann Ludwig Ferdinand von Helmholtz demonstrated that electric circuits obey the law of the conservation of energy and that electricity is a form of energy.
15. About 1840 James Prescott Joule and the German scientist Hermann Ludwig Ferdinand von Helmholtz demonstrated that electric circuits obey the law of the conservation of energy and that electricity is a form of energy.
16. The compass needle located next to the wire will deviate in the direction perpendicular to the wire.
Ex2.
1.There are two types of electric charges: positive and negative.
2.His experiments proved that atmospheric electricity, which causes the phenomenon of lightning and thunder, is identical to the electrostatic charge of the "Leyden jar".
3.The force between electric charges varies inversely with the square of the distance between the charges.
4.This scientist made a great contribution to the development of the doctrine of electricity.
5.Electricity is a form of energy.
6.Electric circuits obey the laws of conservation of energy.
7.Properties of electromagnetic waves.
8.The widespread use of electricity as a source of energy occurred at the beginning of the last century.
9.Equal and oppositely charged bodies are connected to each other by a metal conductor.
10.The flow of electrons from a negatively charged body to a positively charged body.
11.The flow of electrons from a point with a lower potential to a point with a higher potential.
12.The resistance in the network limits the amount of current.
13.Ohm's law can be expressed as the following algebraic equation.
14.When an electric current passes through a wire, the temperature of the wire rises.
15.When the electrons of the current collide with the atoms of the conductor, energy is generated.
16.The compass needle located next to the wire will deviate in the direction perpendicular to the wire.
