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What is the useful and wasted energy in an electric heater a television an electric kettle headphones Thanks for your help?
In an electric heater, the useful energy is the heat generated for warming the room, while the wasted energy is the heat lost through the surroundings. In a television, the useful energy is the light and sound produced for viewing and listening, while wasted energy can come in the form of heat generated by the device. In an electric kettle, the useful energy is the heat used to boil water, while wasted energy can be heat lost through the kettle's exterior. In headphones, the useful energy is the sound produced for listening, while any energy lost through heat or vibration could be considered wasted.
What is the Energy change in whistling tea kettle?
The energy change in a whistling tea kettle is an increase in thermal energy. When the water is heated, its molecules gain kinetic energy, causing them to move faster and collide more frequently. This increase in energy eventually causes the water to boil and produce steam, resulting in the familiar whistling sound.
What is an example of thermal energy being transformed into sound energy?
An example of thermal energy being transformed into sound energy is when a heated metal object, such as a kettle on a stove, produces a whistling sound when the water inside reaches boiling point. The heat causes the metal to expand and vibrate, creating sound waves that we hear as a whistle.
How much energy is wasted as sound?
The amount of energy wasted as sound depends on the specific situation and source of sound. In general, energy is lost when vibrations created by an object or source are converted into sound waves. This energy loss can vary, but typically only a small percentage of the original energy is converted into audible sound.
What is the energy input for a kettle?
The energy input for a kettle is typically provided by electricity or gas. The energy is used to heat the water inside the kettle to the desired temperature for various purposes such as making hot beverages or cooking.
What is the useful and wasted energy in an electric heater a television an electric kettle headphones Thanks for your help?
In an electric heater, the useful energy is the heat generated for warming the room, while the wasted energy is the heat lost through the surroundings. In a television, the useful energy is the light and sound produced for viewing and listening, while wasted energy can come in the form of heat generated by the device. In an electric kettle, the useful energy is the heat used to boil water, while wasted energy can be heat lost through the kettle's exterior. In headphones, the useful energy is the sound produced for listening, while any energy lost through heat or vibration could be considered wasted.
What is the Energy change in whistling tea kettle?
The energy change in a whistling tea kettle is an increase in thermal energy. When the water is heated, its molecules gain kinetic energy, causing them to move faster and collide more frequently. This increase in energy eventually causes the water to boil and produce steam, resulting in the familiar whistling sound.
What type of energy is wasted when energy is converted?
thermal, light and sound
What energy change takes place in a kettle?
Electrical energy -> Heat energy -> Sound energy.
What is the wasted energy from a car engine?
heat and sound
What is an example of thermal energy being transformed into sound energy?
An example of thermal energy being transformed into sound energy is when a heated metal object, such as a kettle on a stove, produces a whistling sound when the water inside reaches boiling point. The heat causes the metal to expand and vibrate, creating sound waves that we hear as a whistle.
How much energy is wasted as sound?
The amount of energy wasted as sound depends on the specific situation and source of sound. In general, energy is lost when vibrations created by an object or source are converted into sound waves. This energy loss can vary, but typically only a small percentage of the original energy is converted into audible sound.
What is the energy input for a kettle?
The energy input for a kettle is typically provided by electricity or gas. The energy is used to heat the water inside the kettle to the desired temperature for various purposes such as making hot beverages or cooking.
What energy is wasted when blowing a whistle?
When blowing a whistle, the energy that is wasted is primarily in the form of sound energy. As air is forced through the whistle, it vibrates and produces sound waves, which dissipate into the surrounding environment as noise. Some energy is also lost as heat due to friction and air resistance as the air passes through the whistle's chamber and creates turbulence. Overall, the majority of the energy input into blowing a whistle is converted into sound energy and dissipated into the surroundings.
Why is energy often wasted as thermal energy or sound?
Energy is often wasted as thermal energy or sound due to inefficiencies in energy conversions. When energy is converted from one form to another, some energy is lost as heat due to friction or resistance. Sound is a byproduct of vibrations and movement, which also represent energy that is not being fully utilized for the intended purpose.
What form of energy does the kettle have when water in it is boiling?
it is where you say chocolate is equal to me (human) T.H ROCKS
What is the energy out of a whistling tea kettle?
The energy output of a whistling tea kettle is in the form of sound and heat. As the water boils and creates steam, the kettle whistles to signal that the water is ready. The heat energy is transferred to the water to raise its temperature to boiling point.
