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chemical - electrical - light - heat
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Lucas plugs a lamp into the wall. The light bulb in the lamp turns on. What kind of energy transformation is this?
This is an electrical energy to light energy transformation.
Which form of energy is the unwanted form of energy in the transformation for a lamp?
The unwanted form of energy in the transformation for a lamp is typically heat energy. This is because a portion of the electrical energy used to power the lamp is converted into heat energy instead of light energy, resulting in energy loss and inefficiency.
How does a heat lamp provide an example of energy transformation?
A heat lamp transforms electrical energy into heat and light energy. The electrical energy powers the lamp, which then converts it into heat and light, providing warmth and illumination in the surrounding area.
What energy transformation in fluorescent lamp?
In a fluorescent lamp, electrical energy is transformed into ultraviolet light energy when the electricity flows through the gas in the tube. This ultraviolet light then strikes the phosphor coating inside the tube, causing it to emit visible light. So, the energy transformation involves conversion from electrical energy to ultraviolet light energy and then to visible light energy.
How does energy transfer in a lamp work?
In a lamp, electrical energy from the power source is converted into light and heat energy. This transformation occurs when the electric current passes through the filament inside the bulb, causing it to glow and emit light. Some of the electrical energy is also converted into heat energy, which can be felt as warmth when the lamp is on.
