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In a light bulb, electrical energy is converted into light energy and heat energy. When the circuit is closed, the electrical current flows through the filament in the bulb, causing it to heat up and emit light. Some of the electrical energy is also lost as heat due to the resistance in the filament.
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How do you describe the changes in energy in a light bulb?
When a light bulb is turned on, electrical energy is transformed into light (radiant) energy and heat energy. This conversion process results in changes in energy form but the total energy remains constant, following the law of conservation of energy.
What energy changes take place when a battery is connected to a bulb?
When a battery is connected to a bulb, chemical energy in the battery is converted into electrical energy, which flows through the circuit and into the bulb. The electrical energy is then converted into light and heat energy by the filament in the bulb, allowing the bulb to light up.
What is the change in the potential energy of a single electron as it moves through the light bulb?
As an electron moves through a light bulb, its potential energy changes due to interactions with the electric field. This change in potential energy is converted into light and heat energy, which powers the light bulb.
What two energy changes happen in a light bulb?
In a light bulb, electrical energy is converted into radiant energy (light) and thermal energy (heat). When the bulb is turned on, the electrical energy flowing through the filament heats it up, causing it to emit light while also generating heat as a byproduct.
Which part of a circuit changes electrical energy into another form of energy?
A resistor or a component like a light bulb or a motor changes electrical energy into another form of energy, such as heat, light, or mechanical motion.
What are some examples of heat energy changes?
bulb
How do you describe the changes in energy in a light bulb?
When a light bulb is turned on, electrical energy is transformed into light (radiant) energy and heat energy. This conversion process results in changes in energy form but the total energy remains constant, following the law of conservation of energy.
A light bulb changes electrical energy to what other kinds of energy?
Heat and light
What is the thin wire in a bulb that changes electrical energy into light energy?
It is called the 'filament'.
What is the thin wire in a bulb that changes electrical energy into light energy called?
filament
What energy changes take place when a battery is connected to a bulb?
When a battery is connected to a bulb, chemical energy in the battery is converted into electrical energy, which flows through the circuit and into the bulb. The electrical energy is then converted into light and heat energy by the filament in the bulb, allowing the bulb to light up.
A battery and a light bulb in a complete circuit changes electrical energy into what energy?
Light energy (EM visible radiation) plus thermal energy (through heating the bulb filament)
What are the two other forms of energy a light bulb changes?
They are open and closed circuit
What is the change in the potential energy of a single electron as it moves through the light bulb?
As an electron moves through a light bulb, its potential energy changes due to interactions with the electric field. This change in potential energy is converted into light and heat energy, which powers the light bulb.
What two energy changes happen in a light bulb?
In a light bulb, electrical energy is converted into radiant energy (light) and thermal energy (heat). When the bulb is turned on, the electrical energy flowing through the filament heats it up, causing it to emit light while also generating heat as a byproduct.
Which part of a circuit changes electrical energy into another form of energy?
A resistor or a component like a light bulb or a motor changes electrical energy into another form of energy, such as heat, light, or mechanical motion.
What energy changes are involved when an electric light shines?
When an electric light shines, electrical energy is converted into light energy and heat energy. The electrical energy is converted into light energy, which is the main purpose of the light bulb, while some of the energy is also released as heat energy due to the resistance in the light bulb filament.
