Copper is mainly used for conducting electricity because its electrical resistance is low. This low resistance allows for efficient transmission of electrical current with minimal energy loss, making copper an ideal material for electrical wiring and components in various applications.
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Arsenic is not a semiconductor. Germanium, silicon, and selenium are all semiconductors used extensively in electronics for their ability to conduct electricity under certain conditions, while arsenic, although used as a doping agent in semiconductors, is not a semiconductor itself.
The law describing the force between two stationary charges, stating it is directly proportional to the product of their charges and inversely proportional to the square of the distance between them, is known as Coulomb’s law. This fundamental principle in ...
A magnifying lens is a convex lens that is thicker in the middle and thinner at the edges. It is used to enlarge the apparent size of objects when viewed through it by bending light rays inward, causing them to ...
Fiber optic used in communication works only on the principle of total internal reflection of light. This principle allows light to propagate through the fiber by continuously reflecting off the fiber’s walls, ensuring minimal signal loss over long distances.