The coating of a zinc layer on iron is called galvanization. This process involves applying a protective zinc coating to iron or steel to prevent rusting and corrosion. Galvanization is widely used in various industries to extend the lifespan of ...
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The filament of an electric bulb is made of tungsten. Tungsten is chosen for its high melting point and ability to withstand intense heat without melting, making it ideal for producing light when an electric current passes through it.
The SI unit of specific resistance, also known as resistivity, is the ohm-meter (symbol: Ω·m). Resistivity quantifies the intrinsic resistance of a material to the flow of electric current. It is a characteristic property that depends on the material’s composition ...
White light is produced in a tube by heating a filament. The filament, typically made of tungsten, is heated to a high temperature by passing an electric current through it. This causes the filament to emit light across the visible ...
In fiber optic communication, the signal flows in the form of light waves. Optical fibers transmit data using pulses of light that travel along the fiber’s core, which is typically made of glass or plastic. These light waves carry digital ...