Magnetic Field Therapy
Vermont Technical College
Magnetic Field Therapy
Magnetic field therapy should be used as a complementary and alternative medicine before pharmaceutical interventions to treat patients. Magnetic field therapy penetrates the entire body and has fewer side effects. Magnetic field therapy has many benefits to offer patients to maintain health and treat illness. Magnetic field therapy provides a non invasive, safe, and easy method. The physiological bases for the use of magnetic fields for tissue repair as well as physical principles of dosimetry and application of various magnetic fields. Dr. Pawluk 's (2016). philosophy is our legacy prior to and after this physical existence is much grander…
a) According to the right-hand rule, the direction of the magnetic fields of the 3 wires are shown:
We find the magnetic fields B1, B2 and B3:
퐵1=퐵2= 푢0 푖 = 푢0 푖 = 4∗3.14×10−7 ∗(3.65) =ퟒퟐ.ퟔퟔퟎ풖푻 2휋푟 2휋( 2푎) 2 ∗ 3.14 ∗( 2(0.0121))
퐵3= 푢0 푖 = 푢0 푖 = 4∗3.14×10−7 ∗(3.65) =ퟐퟎ.ퟏퟏퟎ풖푻 2휋푟 2휋(3푎) 2 ∗ 3.14 ∗(3∗(0.0121))
The x components of the B1 and B2 cancel each other; therefore the net magnetic field will be downward and we have (the negative sign is because the direction is downward):
퐵=− 퐵1cos 45 +…
Field strength or intensity is the force which maintains the magnetic flux and produces a particular value of the flux density B at that point in a magnetic field. Therefore the flux density is the cause while the flux density (B) is the effect. The flux density can be assumed proportionally to the field intensity in a magnetic field which comes in three parts. First part is:
Where U stands for the permeability of force (the measure of the degree to which the magnetic line of force can…
mechanical devices applied in daily life activities are powered by electric motors. Motors transform electrical energy to mechanical energy, hence they are essential for energy conversions in electrical machines.
All types of electrical motors are made up of a stationary field referred to a stator and a rotating field referred to a rotor. According to Krishnan, (2010), DC motors operate through the interaction of an electric current with magnetic flux to generate a torque and rotational speed.…
Diamagnetism can make levitation possible. How? Diamagnetic materials are repelled by magnetic fields. The most diamagnetic materials are graphite and bismuth. Technically, everything is diamagnetic but the force of it is very weak. Diamagnetism is present in everything, but is only observable if other types of magnetism, such as paramagnetism, ferromagnetism, ferrimagnetism, antiferromagnetism, etc. do not overwhelm it. Most of the time, diamagnetic materials’ effect is very weak. Levitating…
When a magnet is in motion near a non-magnetic conductor such as copper and aluminium eddy currents are induced in the conductor, causing a dissipative force called magnetic braking force, or a change in magnetic flux (figure 2). This force is dependent on:
The size and shape of the conductor and magnet
The strength of the magnet (μ)
The conductors conductivity (σ_c)
The distance between the conductive surface and the magnet (d)
The velocity of the magnet (v)
According to Faraday’s law,…
there is a whole chapter on the nature of induced forces in magnetic fields. This struck great interest and lead to further research.
In the 1830’s, an English scientist named Michel Faraday was credited with the discovery of induced currents and the practical behind it. He first wrapped a copper wire around an iron ring. On one side of the ring, there was a battery with a switch. On the opposite side, there was a galvanometer. He noticed a strange pattern in variations in currents. This…
At this low frequency the machine is capable of sorting particles with size greater than 1 inches but incapable to sort particles smaller than 1 inches.
The method discussed in this study is about using variable frequency eddy current sorter (VFECS) prototype to separate different nonferrous metal and alloy of size smaller than 1 inches. VEFECS is a solid state technology which operates at variable high frequency range between 1 – 10 KHz. The magnetic field frequency plays an important role in…
Brushless DC Motor Physics Report.
Motor: A machine powered by electrical current or the explosion of gases inside chambers that will provide movement for a vehicle.
When an electric current, magnetic field or external force acts on a coil found inside of the motor, it will provide force to it, thus causing the coil to move, the coil rotates on a half turn basis otherwise the motor is forced to stop and will not move.
The Motor Effect
Motor effect refers to a current carrying…