because some materials have mobile electrons in their conduction band.these are called conductors, while others which do not have mobile electrons in their conduction are called as insulators .these...
Almost all magnetism is caused by electrons. Individual electrons have an intrinsic magnetic moment. In an atom, the electron's angular motion around the nucleus also causes a magnetic moment. Since...
Materials that are ductile, or have the property of ductility, will stretch and deform when they are pulled, rather than breaking. Gold, silver, copper, iron, and lead are common examples of ductile...