0
In typical light bulbs, or incandescent bulbs, the resistance to the current directed through the filament causes the filament to heat up, thus radiating light. The glass bulb around the filament is vacuum sealed to remove oxygen, which would rapidly oxidize and destroy the super heated, ultra thin filament. there are variations of this technology in which the bulb is not a vacuum, but is instead filled with different gasses surrounding the filament, which allows the filament to burn even hotter, creating more light. fluorescent bulbs work by creating a reaction between Mercury vapor and phosphors. electric current excites the mercury atoms, which then release ultraviolet light. The ultraviolet light causes the phosphors to fluoresce, which creates light in our visible spectrum.
What else can I help you with?
What energy transformations occur in a compact fluorescent light bulb?
In a compact fluorescent light bulb, electrical energy is transformed into light energy through the excitation of mercury vapor atoms inside the bulb. Some electrical energy is also transformed into heat energy due to resistance in the bulb's circuitry and the phosphor coating on the bulb.
What energy transformation takes place when you turn on an electric light?
When you turn on an electric light, electrical energy is transformed into light energy and heat energy. The electrical energy powers the light bulb, which emits light energy that illuminates the surroundings, while a portion of the electrical energy is also transformed into heat energy due to resistance in the light bulb filament.
How is energy transformed 5 examples?
Electrical energy is transformed into light energy in a light bulb. Chemical energy is transformed into mechanical energy in an engine. Solar energy is transformed into electrical energy in a solar panel. Wind energy is transformed into electrical energy in a wind turbine. Food energy is transformed into thermal energy by the body to maintain body temperature.
What energy transformation takes place in a flashlight?
Battery (chemical energy) goes to the wires (electrical energy) which goes to the light bulb (thermal and electromagnetic energy. In the bulb of a traditional flashlight, electric current energy is transformed to heat and then partially to light, when the temperature of the filament in the bulb is sufficient. In an LED type flashlight, little heat is produced and more of the electrical current energy is transformed into light.
What energy transformations are in an light bulb?
In a light bulb, electrical energy is transformed into light and heat energy. When an electric current passes through the filament of the bulb, the resistance of the filament causes it to heat up and emit light. Some of the electrical energy is also converted into heat energy due to the inefficiencies in the conversion process.
What transformations occur in a light bulb?
In a light bulb, electrical energy is transformed into light energy and heat energy.
What energy transformation occurs in a bulb?
In a light bulb, electrical energy is transformed into light energy and heat energy.
What energy transformations occur in a compact fluorescent light bulb?
In a compact fluorescent light bulb, electrical energy is transformed into light energy through the excitation of mercury vapor atoms inside the bulb. Some electrical energy is also transformed into heat energy due to resistance in the bulb's circuitry and the phosphor coating on the bulb.
How do you know a light bulb transforms 100 percent of its electricity into light?
You don't. A light bulb transforms only a fraction of its energy into light, and most of it into heat. For an incandescent bulb about 3% is transformed into light, while for a compact fluorescent (low-energy light) about 15% is transformed into light.
What energy transformation takes place when you turn on an electric light?
When you turn on an electric light, electrical energy is transformed into light energy and heat energy. The electrical energy powers the light bulb, which emits light energy that illuminates the surroundings, while a portion of the electrical energy is also transformed into heat energy due to resistance in the light bulb filament.
How is energy transformed 5 examples?
Electrical energy is transformed into light energy in a light bulb. Chemical energy is transformed into mechanical energy in an engine. Solar energy is transformed into electrical energy in a solar panel. Wind energy is transformed into electrical energy in a wind turbine. Food energy is transformed into thermal energy by the body to maintain body temperature.
What energy transformation takes place in a flashlight?
Battery (chemical energy) goes to the wires (electrical energy) which goes to the light bulb (thermal and electromagnetic energy. In the bulb of a traditional flashlight, electric current energy is transformed to heat and then partially to light, when the temperature of the filament in the bulb is sufficient. In an LED type flashlight, little heat is produced and more of the electrical current energy is transformed into light.
What energy transformations are in an light bulb?
In a light bulb, electrical energy is transformed into light and heat energy. When an electric current passes through the filament of the bulb, the resistance of the filament causes it to heat up and emit light. Some of the electrical energy is also converted into heat energy due to the inefficiencies in the conversion process.
What type of energy transformation occurs when a light bulb is on?
Electrical energy is transferred into light energy, however if the light bulb is an older one, some energy will also be transferred into heat loss.
What type of energy transformation occurs when a light bulb is turned on?
Electricity is transformed into light and heat energy when a light bulb is turned on. The electrical energy is used to heat up the filament in the bulb, causing it to glow and emit light. Some of the electrical energy is also converted to heat energy due to resistance in the filament.
What shows that energy is being transformed?
Energy transformation can be detected by changes such as a change in temperature, motion, sound, or light in a system. For example, in a light bulb, electrical energy is transformed into light and heat energy. In a moving car, mechanical energy from the engine is transformed into kinetic energy.
What is the energy transformation for a flashlight?
chemical to light :)
