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It is a physical change brought about by the exitation of molecules producing heat and light. A general rule of thumb is that a physical change can be repeated on an article and chemical change cannot. Remove the current from a filament and it is still a filament.

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How electric bulb glow when the electric current passes through it?

When an electric current passes through a filament inside the bulb, the filament heats up due to resistance, causing it to emit light. This process is known as incandescence. The filament is usually made of tungsten, which has a high melting point and can withstand the high temperatures generated.


What heats the filament?

The electric current passing through the filament in an incandescent light bulb heats it up. This causes the filament to glow and produce visible light.


How does electric light work?

Electric lights work by passing an electric current through a filament or gas inside the bulb. The current causes the filament to heat up and emit light, or the gas to produce light through a process called electroluminescence. The light is then emitted out of the bulb through a transparent covering.


How does an electric current produce light?

When an electric current passes through a special material called a filament, it generates heat due to resistance in the material. This heat causes the filament to glow and emit light. The visible light produced is a result of the electrons in the filament gaining energy and releasing it in the form of photons.


How electric bulbs works?

Electric bulbs work by passing an electric current through a filament, which heats up and produces light. The filament is typically made of tungsten, which has a high melting point. The light produced is a result of the filament glowing as it reaches high temperatures.

Related Questions

What is electrical energy converted into when electric current flows through the metal filament of a light bulb?

Electrical energy is converted into light and heat when electric current flows through the metal filament of a light bulb.


Construction and working of electric bulb?

initially when current pass through the filament


What is the filament in lights?

Filament is a thin part of incandescent bulb which is the source of electric light that electric current passes through and heated it until it produce light.


How electric bulb glow when the electric current passes through it?

When an electric current passes through a filament inside the bulb, the filament heats up due to resistance, causing it to emit light. This process is known as incandescence. The filament is usually made of tungsten, which has a high melting point and can withstand the high temperatures generated.


When electric current flows through the metal filament of light bulb electric energy is converted to?

Heat and light.


What heats the filament?

The electric current passing through the filament in an incandescent light bulb heats it up. This causes the filament to glow and produce visible light.


How does electric light work?

Electric lights work by passing an electric current through a filament or gas inside the bulb. The current causes the filament to heat up and emit light, or the gas to produce light through a process called electroluminescence. The light is then emitted out of the bulb through a transparent covering.


How does an electric current produce light?

When an electric current passes through a special material called a filament, it generates heat due to resistance in the material. This heat causes the filament to glow and emit light. The visible light produced is a result of the electrons in the filament gaining energy and releasing it in the form of photons.


How does a electric current flow through a light bulb?

The electrical current comes into the bulb from the metal side,flow through the filament ,and out the tip.


Why does a light bulb filament get hot when electric current flows through it?

That is the result of resistance in the wire. In energy terms, some of the energy in the electric current is converted into heat.


How electric bulbs works?

Electric bulbs work by passing an electric current through a filament, which heats up and produces light. The filament is typically made of tungsten, which has a high melting point. The light produced is a result of the filament glowing as it reaches high temperatures.


When electric currents flows through the metal filament of a light bulb electrical energy is coverted to?

When an electric current flows through the metal filament of a light bulb, electrical energy is converted to heat and light energy, producing the illumination that we see as light. The filament heats up due to the resistance to the current passing through it, causing it to emit visible light.