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How does the amount energy in the batteries in a flashlight compare to the total amount of energy given off by the flashlight as light and heat?
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∙ 6y ago
There is more energy in the battery than that given off as light and heat for two reasons.
1)
Some energy is lost due to resistance in the battery. As current flows, energy is lost to heating of the battery due to this internal resistance.
2)
As the battery operates, the voltage falls until it is too low to heat the bulb to incandescence. Yet energy remains in the battery, but this last energy is at too low a voltage to be useful.
Savanah Goldner
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How does the amount of energy in the batteries compare to the total amount of light given off by the flashlight?
Well more chemical energy in a battery means more energy can be converted to light energy. I believe that the light will last longen and\or be brighter.
How does the amount of energy in the batteries in a flashlight compare to the total amount of energy given off by the flashlight as light and heat?
There is more energy in the battery than that given off as light and heat for two reasons. 1) Some energy is lost due to resistance in the battery. As current flows, energy is lost to heating of the battery due to this internal resistance. 2) As the battery operates, the voltage falls until it is too low to heat the bulb to incandescence. Yet energy remains in the battery, but this last energy is at too low a voltage to be useful.
How does the amount of energy in batteries in a flashlight compare to the total amount of energy given off by the flashlight as light and heat?
There is more energy in the battery than that given off as light and heat for two reasons. 1) Some energy is lost due to resistance in the battery. As current flows, energy is lost to heating of the battery due to this internal resistance. 2) As the battery operates, the voltage falls until it is too low to heat the bulb to incandescence. Yet energy remains in the battery, but this last energy is at too low a voltage to be useful.
How is energy transferred through a flashlight?
A flashlight converts the chemical energy stored in batteries into light and heat.most of the energy is converted to heat.Only a small percentage of the original energy in the battery is converted into light energy. -answered by:11 yr old gurl
What energy conversion is found in a battery-powered flashlight?
The energy conversion in a battery powered flashlight comes from the battery itself. Batteries use metal electrodes set into a chemical paste to store electricity; as the electrode oxidizes it releases electrons.
How does the amount of energy in batteries in a flashlight compare to the total amount of energy given off byt the flashlight as light and heat?
All of the energy in the battery, or most of it, is eventually given off as heat and light.
How does the amount of energy in the batteries compare to the total amount of light given off by the flashlight?
Well more chemical energy in a battery means more energy can be converted to light energy. I believe that the light will last longen and\or be brighter.
How much energy does a flashlight have?
None, that's why you use batteries
How could you use a flashlight to test two different brands of batteries to see which brand had more energy?
Well what you would do is you would put the first brand of batteries in the flashlight and you would time how long the batteries lasted and right it down . Then put the second brand of batteries in the flashlight and turn on the flashlight and time the flashlight and see how long the batteries lated and wright it down and you have your answer .
How does the amount of energy in the batteries in a flashlight compare to the total amount of energy given off by the flashlight as light and heat?
There is more energy in the battery than that given off as light and heat for two reasons. 1) Some energy is lost due to resistance in the battery. As current flows, energy is lost to heating of the battery due to this internal resistance. 2) As the battery operates, the voltage falls until it is too low to heat the bulb to incandescence. Yet energy remains in the battery, but this last energy is at too low a voltage to be useful.
How does the amount of energy in batteries in a flashlight compare to the total amount of energy given off by the flashlight as light and heat?
There is more energy in the battery than that given off as light and heat for two reasons. 1) Some energy is lost due to resistance in the battery. As current flows, energy is lost to heating of the battery due to this internal resistance. 2) As the battery operates, the voltage falls until it is too low to heat the bulb to incandescence. Yet energy remains in the battery, but this last energy is at too low a voltage to be useful.
Is a flashlight battery auto potential or kinetic?
The actual process of flicking the switch of the flashlight is kinetic energy, as there is movement involved. However, when the flashlight is now turned on, it will be producing light energy.
Can the amount of radiant energy that shines out of a flashlight exceed the chemical energy stored in the batteries?
No. That would be getting more energy out of something than what's been put in there in the first place. As far as we understand the universe, that just isn't possible.
What does the chemical energy stored in the batteries change into when the flashlight turns on?
Chemical energy stored in a battery changes into electrical energy.... Not so complicated
How is energy transferred through a flashlight?
A flashlight converts the chemical energy stored in batteries into light and heat.most of the energy is converted to heat.Only a small percentage of the original energy in the battery is converted into light energy. -answered by:11 yr old gurl
Is a flashlight good model for suns light energy hit earth?
Flashlight is not good model to test sun light hit earth. The light of flashlight is too small energy to compare sun light.
Is a flashlight energy efficient?
Flashlights can be energy-efficient, but it depends on the type of flashlight and how it is used. LED flashlights, which use light-emitting diodes (LEDs) as their light source, are generally more energy-efficient than traditional incandescent flashlights. This is because LEDs are more efficient at converting electrical energy into light and produce less heat than incandescent bulbs. As a result, LED flashlights can provide brighter light while using less power, which means they can run for longer on a single set of batteries. However, the energy efficiency of a flashlight also depends on how it is used. Leaving a flashlight on for an extended period of time will drain the batteries faster and reduce its energy efficiency. Therefore, it is important to turn off the flashlight when it is not needed to conserve battery life and reduce energy consumption. In addition, the type and quality of batteries used in a flashlight can also affect its energy efficiency. Rechargeable batteries are generally more energy-efficient than disposable batteries because they can be recharged and reused multiple times, reducing the need for frequent battery replacements and the associated energy usage and waste. Overall, a flashlight can be energy-efficient if it is designed with energy efficiency in mind, used appropriately, and powered by high-quality and rechargeable batteries.
