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Concept of Crookes tube
The educational resource shows a visual that represents a capacitor, a system made up of two conducting plates with equal charges, but with opposite signs, separated by an insulator or a vacuum. Insid ...
The visual shows what the forces between two charged pendulums are like. If you do the activities, you will be able to discover Coulomb's law.
In this teaching unit you will learn: To describe qualitatively the phenomena of electrification, electrostatic attraction and repulsion and to introduce the concepts of electric charge, insulators an ...
In this teaching unit you will learn: To understand the parallelism between an electric circuit and the distribution of water in a closed circuit. To learn the characteristic magnitudes which describe ...
In the past, human beings thought rays were signs sent by the gods. Therefore, they knew natural electricity, but they were unable to understand it. Thousands of years later, they became aware of the ...
La sección Classic papers de la web Classic Chemistry , del profesor estadounidense de Física Química Carmen Giunta, nos ofece un magnífico recopilatorio de artículos que describen hallazgos importan ...
Video Física
"Insulators, also called dielectrics, don't conduct charge. In insulators, there is no conduction band so charge does not move to any appreciable extent. Dialectric strength, also called breakdown v ...
"Electric charge is the transfer of electrons from one material to another. So negative charge means that there is an excess of electrons while positive charge is a deficiency of electrons. Quantiza ...
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