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Why not use magnets to store energy


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ELI5: why cant magnets be used for renewable energy?

No, magnets do not store any energy within them, therefore no energy can be extracted from them to generate electricity. A common scam is the production of a magnetic motor, where the

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Does a magnet contain (and potentially produce) energy?

Permanent magnets do have potential energy, stored in their magnetic field. That energy can be compared to the potential energy of some compressed spring. See the picture below,

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The Impact Of Magnets On Batteries: Exploring The Relationship

3. Effect on Battery Capacity: The capacity of a battery refers to its ability to store and deliver electrical energy. Magnets do not cause a permanent reduction in battery capacity. However, it''s worth noting that excessive exposure to magnetic fields can affect the performance of certain types of batteries, such as nickel-cadmium (NiCd

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Common Mistakes When Working with Magnets: What Not to Do

It''s essential to store magnets in a cool, dry place and away from other magnets or magnetic materials. Mistake 5.2: Not Testing Magnets for Energy Product Energy product is a measure of the amount of energy that a magnet can produce, and failing to test it can lead to performance issues. It''s essential to test the energy product of

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What if you removed all magnets?

If you removed all magnets, yes, then this thing would rotate for eternity, due to conservation of impulse / energy. With the magnets, it will halt pretty soon. Magnets don''t create energy. They CAN convert it from electric energy to mechanical, and vice versa.

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How does magnetic field store energy?

I said the energy stored in the magnetic field does work, not that the magnetic field itself does work. The mechanical analogue is the kinetic energy stored in a moving object can do work when bringing it to a stop. Mass is the analogue of inductance.

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Do permanent magnets have potential energy?

Permanent magnets do have potential energy, stored in their magnetic field. That energy can be compared to the potential energy of some compressed spring. See the picture below, representing the magnetic field lines of a magnetized sphere : These lines are compressed inside the magnet.

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The Future of Wind Energy: Why Permanent Magnets Are Key in

As the world transitions towards sustainable energy solutions, wind power has emerged as a critical component in the global energy landscape. Wind turbines, the backbone of this renewable resource, have seen significant advancements in technology. Central to these advancements are permanent magnets, which play a pivotal role in enhancing the efficiency

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Has any permanent magnet motor been proven to run?

There is not a lot of energy in the field of even a strong permanent magnet. One could, in principle, construct a ''motor'' that would demagnetise the magnets somehow, converting the field energy into motion, but it wouldn''t be some effective super energy storage or the like, and would run for some time then stop. It is very common to store

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How to Generate Power Using Magnets: A Comprehensive Guide

Yes, magnetic energy generators can work by harnessing the power of magnets to generate electricity. They offer an alternative to traditional energy sources and have the potential to provide sustainable power with minimal environmental impact. Why Can''t We Use Magnets to Spin a Turbine? You can''t use magnets alone to spin a turbine because

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energy

$begingroup$ @AldCer Nice analogy with the stomach ;-) What I mean is you do not store the specific form of energy (light, heat of a fire or solar heat, electrical potential of a generator,) but convert it into another form of energy (photovoltaic cell, heat in water, chemical potential in a battery) which has a longer half-life time so you have more time to e.g. physically

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Why can''t we harness the energy stored in magnets? :

In a magnet, the energy is stored in the magnetic field, so you no longer have a magnet if you get the energy out; in a standard battery, it''s just a chemical electric potential, which is a lot simpler

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Magnetism as an Energy Source: Understanding Magnetic Force

Figure 1. Like poles of a magnet repel and unlike poles of a magnet attract. A unit of magnetic force is equal to one dyne between the poles of two magnets separated by one centimeter. Image courtesy of Encyclopedia Britannica. The force between two magnetic poles is similar to the force that exists between two charges.

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Why can''t magnetism be used as a source of energy?

Because magnets do not contain energy—but they can help control it In 1841, German physician and physicist Julius von Mayer coined what was to become known as a first law of thermodynamics: "Energy can be neither created nor destroyed," he wrote.

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ELI5: Why can''t magnets produce perpetual energy?

This doesn''t require any energy because I am not moving at all. So why don''t magnets give perpetual energy? Because the forces that magnets give don''t cause objects to move without another input of energy. Say I take a metal ball and use a magnet to levitate in the air.

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ELI5: Why can''t we use magnets to get free energy / powering

It takes energy to pull the iron away from the magnet, it takes energy to lift something off off the ground. You get that energy back when you let go of the iron and it snaps back to the magnet, you get the energy back when you let go of the object and it falls back to the ground. The simple concept of energy in equals energy out.

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ELI5: why cant magnets be used for renewable energy?

No, magnets do not store any energy within them, therefore no energy can be extracted from them to generate electricity. A common scam is the production of a magnetic motor, where the "inventor" claims that the generator is being powered by magnets, when in fact it is being powered by a hidden battery or hand crank.

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Superconducting magnetic energy storage

Superconducting magnetic energy storage (SMES) systems store energy in the magnetic field created by the flow of direct current in a superconducting coil that has been cryogenically cooled to a temperature below its superconducting critical temperature.This use of superconducting coils to store magnetic energy was invented by M. Ferrier in 1970. [2]A typical SMES system

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electromagnetism

Resistors - kinetic energy is converted to thermal energy, inductors - kinetic energy is stored in a magnetic field, capacitors - potential energy is stored in an electric field from charges. Now connect a voltage source (i.e. battery) across an inductor with zero stored energy or a length of copper wire with parasitic inductance.

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electromagnetism

Flywheel energy storage has garnered some interest from academia and industry for its potential to store surplus electrical energy efficiently in kinetic form.. Modern designs use magnetic bearings to minimize the drag that the rotating mass incurs by levitating it in its entirety within a vacuum chamber. Most serious research efforts seem to implement these

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Proper Magnet Care & Maintenance | How to Care & Store Magnets

Store Magnets in Pairs. To prevent the two south or two north magnet poles of different magnets from touching, store your magnets in pairs with the unlike poles on the same side. If both poles of the same alignment (north and north or south and south) are allowed to touch, the magnetic fields will repel and cause the magnet to weaken over time.

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What Is the Science Behind Generating Power With Magnets?

The ability of magnets to generate electricity is a result of this conversion process, where magnetic energy is transformed into electrical energy. Understanding this relationship is crucial in harnessing the power of magnets to generate electricity efficiently. Electromagnetic Induction.

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Why do permanent magnets move upwards?

So, the fact that the ball moves upwards is compatible with the conservation of the energy. Permanent magnets do have potential energy, stored in their magnetic field. That energy can be compared to the potential energy of some compressed spring. See the picture below, representing the magnetic field lines of a magnetized sphere :

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Why Do Magnets Attract Some Things and Not Others?

That''s why a magnet can attract a paperclip at one end (the pole) but not in the middle. The direction of the magnetic field also matters. Opposite poles (north and south) attract. Hard drives in computers use magnetism to store data. The speakers in your headphones or stereo use magnets to convert electrical energy into sound. Electric

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Why do magnets not contain energy?

Because magnets do not contain energy — but they can help control it In 1841, German physician and physicist Julius von Mayer coined what was to become known as a first law of thermodynamics: "Energy can be neither created nor destroyed," he wrote.

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Since gravity is unlimited, can we use it as an infinite energy

In truth, the energy comes from your hand pulling the two magnets apart against the magnetic force. The magnetic force just provides a way for potential energy to be stored in

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Why Don''t We Use More Renewable Energy

Looking at why isn''t renewable energy used more. When it comes to renewable energy sources, it is becoming more widely known that they are far better for the environment in many ways than their non-renewable, fossil fuel counterparts.They don''t require the same level of extraction as fossil fuels, if at all, and some are considered "clean," which essentially means they have little

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How to Safely Handle and Store Neodymium Permanent Magnets

Storage Solutions for Neodymium Magnets. Proper storage of neodymium magnets is crucial to maintaining their performance and ensuring safety. Here are some effective storage solutions: 1. Storage Methods: Use non-magnetic containers to store neodymium magnets. Plastic or wooden boxes are ideal as they do not interfere with the magnetic fields.

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Where do magnets get the energy to repel?

( Work = integral[a to b] of F dot dx ; so Work = 0 if there is not "circulation"). Thus the magnets do not need any energy to statically counteract the force. However, if you do move the magnets, then you need to give some energy.

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Can permanent magnets be exploited to create energy?

The claim is that the electromagnets in a simple electric motor were replaced by permanent magnets, requiring no external power. It only takes primary-school science to understand this

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electromagnetism

The magnetic field caused by a magnet, like an electric field caused by charge and a gravitational field caused by mass, can only store energy. They can''t create energy. The magnetic field can convert mechanical energy to electrical energy, but it requires a

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About Why not use magnets to store energy

About Why not use magnets to store energy

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