A Question about Energy conversion....

In summary, the conversation discusses how lifting an object imparts it with potential energy, which can then be converted to kinetic energy when the object is released. This analogy is then applied to the movement of a positive charge in an electric field, where it moves from a higher electric potential to a lower one. The question is raised about what the potential energy is converted into, and it is explained that in a vacuum, the charge's kinetic energy increases. However, this analogy cannot be applied to charges in a wire as their drift velocities are too slow for kinetic energy to play a significant role.
  • #1
Kaneki123
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3
Okay...Suppose we we lift up something from the ground upto a certain height. By doing so, we have imparted it some potential energy. If we now let go, it will start converting its potential energy to kinetic energy.Now, suppose we apply this analogy to the case of a positive charge place nearer a positive plate and further from a negative plate. The charge is said to be at higher electric potential( has higher potential energy) and will move to lower electric potential, which we call the negative plate. There is an obvious change in potential energy of the charge.My question is that into what is this potential energy converted(there are absolutely no "resistances" in the scenario...Any help is appreciated
 
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  • #2
Well, the charge is being accelerated towards the negative plate. If you don't hold it back it will acquire as much kinetic energy as it loses in potential energy.
 
  • #3
Kaneki123 said:
...converting its potential energy to kinetic energy...into what is this potential energy converted...
Why do you think it would be something else than with gravity?
 
  • #4
@BvU gave you the answer for charges drifting in a vacuum.

Do not try to apply that to charges in a wire as part of a closed circuit. In a circuit, the drift velocities of electrons in the wires are very slow, so kinetic energy plays almost zero role.
 
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Related to A Question about Energy conversion....

What is energy conversion?

Energy conversion is the process of transforming one form of energy into another. This can involve changing the energy from one source, such as chemical, mechanical, or electrical, into a different form, such as heat, light, or motion.

Why is energy conversion important?

Energy conversion is important because it allows us to use and transfer energy in different ways to meet our needs. It is also necessary for the functioning of many natural processes and human-made devices, such as power plants, engines, and appliances.

What are some examples of energy conversion?

Some examples of energy conversion include burning fuel (chemical energy) to produce heat and light (thermal and electromagnetic energy), using a wind turbine to convert wind energy into electricity (mechanical to electrical energy), and photosynthesis in plants, where sunlight (radiant energy) is transformed into chemical energy.

What is the law of energy conservation?

The law of energy conservation states that energy cannot be created or destroyed, only transformed from one form to another. This means that the total amount of energy in a closed system remains constant over time, even though it may change forms.

How is energy conversion related to sustainability?

Energy conversion plays a crucial role in sustainability by enabling the use of renewable energy sources and reducing our reliance on non-renewable resources. It also allows for more efficient energy use, which can help reduce our overall energy consumption and carbon footprint. By understanding energy conversion, we can make more informed decisions about our energy use and work towards a more sustainable future.

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