Spining Sphere magnet inside rim of coils how do u calculate voltage

In summary, a sphere Neodymiun magnet with a diameter of one inch can be suspended or levitated in an acrylic tube in a vacuum, allowing it to spin at high velocity with minimal effort. Surrounding the magnet with 8 coils can create a certain voltage depending on the number of turns and gauge of wire used. However, connecting a load to the terminals will cause the magnet to stop, requiring an external power source to keep it spinning. This is a theoretical case and is not meant to be attempted.
  • #1
Comandant Lasard
1
0
Can we please imagine that a sphere Neodymiun magnet with a diameter of one inch was suspended or leviated, reducing friction to none, then we put this magnet inside an acrylic tube that created a vacuum by pumping out all the air out allowing the sphere to spin at enormous velocity with very minimal effort. Also bare with me and imagine 8 coil setup around this spining magnet, forming a circle or octogan around this, the coils surround can be of any basic magnetic or copper wire of your choosing and the loops it created would be made to creat a certain voltage. What would be the formula to figure out, depending on the numbers of turns and gauge of wire of the coils, the voltage produced? This would depend on the sizE and strength of the magnetic its speed (revolutions per second) the number of turns of the coil and length of wire. Can some one give me a place to start. I am not a engineer but i am very interested in some of your ideas. The coil and length of the wire and type can be inserted by you if you don't mind. Please return or comment. This is just a imaginary case, so please do not try and attack because of leviation, this a purely theoretical case.
 
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  • #2
The output voltage depends on some parameters.
However, if you connect any load (resistance) to the terminals, the magnet will stop.
So, you will need some external power source to keep the magnet spinning.
 
  • #3


Calculating the voltage produced in this scenario would involve several factors, including the size and strength of the magnetic sphere, its speed in revolutions per second, the number of turns and gauge of wire in the coils, and the length of the wire. To estimate the voltage, we can use the formula V = B x L x V x N, where V is the voltage, B is the magnetic field strength, L is the length of the wire, and N is the number of turns in the coil.

First, we would need to determine the magnetic field strength of the spinning magnet. This would depend on the strength of the magnet and its distance from the coils. We can use a gaussmeter or a magnetic field calculator to estimate this value.

Next, we would need to calculate the length of wire in each coil. This can be done by multiplying the circumference of the circle or octagon formed by the coils by the number of turns in each coil. The wire gauge would also need to be taken into account, as thicker wire will have lower resistance and therefore produce a higher voltage.

Once these values are determined, we can plug them into the formula to estimate the voltage produced by the spinning magnet inside the coils. However, it is important to note that this is a theoretical calculation and may not accurately reflect the actual voltage produced in a real-life scenario. Factors such as resistance, magnetic interference, and other external forces may affect the voltage output.

In conclusion, while it is possible to estimate the voltage produced in this scenario using the formula provided, it is important to keep in mind that this is a theoretical calculation and may not accurately reflect real-world results. Further experimentation and testing would be needed to determine the actual voltage output.
 

1. How does a spinning sphere magnet inside a coil generate voltage?

When a magnet spins inside a coil, it creates a changing magnetic field. This changing magnetic field induces an electric current in the coil, which generates a voltage.

2. What is the formula for calculating the voltage generated by a spinning sphere magnet inside a coil?

The formula for calculating the voltage generated is V = BANω, where V is the voltage, B is the magnetic field strength, A is the area of the coil, N is the number of turns in the coil, and ω is the angular velocity of the spinning magnet.

3. How does the speed of the spinning magnet affect the voltage generated?

The faster the magnet spins, the higher the voltage generated. This is because the rate of change of the magnetic field increases with the speed of the spinning magnet.

4. Can the direction of rotation of the magnet affect the voltage generated?

Yes, the direction of rotation can affect the voltage generated. When the magnet rotates in one direction, it will induce a positive voltage in the coil, and when it rotates in the opposite direction, it will induce a negative voltage.

5. What factors can affect the voltage generated by a spinning sphere magnet inside a coil?

The voltage generated can be affected by factors such as the strength of the magnetic field, the size and shape of the coil, the speed and direction of rotation of the magnet, and the number of turns in the coil.

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