Respuesta :

Answer:

When a light bulb connects to an electrical power supply, an electrical current flows from one metal contact to the other. As the current travels through the wires and the filament, the filament heats up to the point where it begins to emit photons, which are small packets of visible light.

Explanation:

science

Answer:

Explanation:

When a lightbulb connect to power, electricity flows from one connector to the other. As the electricity travels through the wires the filament heats up and when it heated up to a point it begins to emit photons. Photons and small packets of visible light