- Magnetic field strength is the intensity of a magnetic field at a given location. Historically, a distinction is made between magnetic field strength H, measured in ampere/meter, and magnetic flux density B, measured in tesla. Magnetic field strength is defined as the mechanical force (newton) on a wire of unit length (m) with unit electric current(A). The unit of the magnetic field, therefore, is newton/ (ampere x meter), which is called tesla. The magnetic field may be visualized by magnetic field lines. The field strength then corresponds to the density of the field lines. The total number of magnetic field lines penetrating an area is called magnetic flux. The unit of the magnetic flux is tesla x m2 = weber. The older units for the magnetic flux, maxwell = 10-8 weber, and for the magnetic flux density, gauss = maxwell / cm2 = 10-4 tesla, are not to be used any more. Magnetic flux density diminishes with increasing distance from a straight current-carrying wire or a straight line connecting a pair of magnetic poles around which the magnetic field is stable. At a given location in the vicinity of a current-carrying wire, the magnetic flux density is directly proportional to the current in amperes. If a ferromagnetic object such as a piece of iron is brought into a magnetic field, the "magnetic force" exerted on that object is directly proportional to the gradient of the magnetic field strength where the object is located. -------------------------------------------------------------------
B=μH Magnetic field in Solenoid B=μnI where n is turns/m So H=nI --------------------------------------------
A cavity magnetron is used to produce microwaves in a microwave oven. (See related inks.)Though this involves a magnetic field and an oscillating electron beam, the electrons are not moving in a circle at the cyclotron resonance and this is not the basic mode of operation.
3 units
The electric power is measured the same as in any other electric circuit, in watts. You calculate this by multiplying the current (in amps) by the potential difference (in volts) across the circuit. So: P = I V If you meant how do we measure the strength of the magnetic field generated, there are two different vector fields that may be called "magnetic field". These are the H-field and the B-field. The H-field may also be called the "magnetic field intensity", the "magnetic field strength", the "auxiliary magnetic field" or the "magnetising field". It is measured in amps per metre. The B-field may also be called the "magnetic flux density", the "magnetic induction", or the "magnetic field". It is measured in teslas.
The unit of magnetism are: Weber for magnetic flux, Tesla for magnetic flux density and ampere per meter for magnetic field strength.
A magnetic keeper, also known as a magnetic shunt or magnetic loop, is a piece of ferromagnetic material that is used to enhance and maintain the strength of a magnetic field. It is typically placed across the poles of a permanent magnet or an electromagnet to prevent the loss of magnetic strength when it is not in use or being used for a specific purpose. The magnetic keeper helps to redirect and concentrate the magnetic flux within the magnet, prolonging its effectiveness.
M1 = Fd2 / km2
A cavity magnetron is used to produce microwaves in a microwave oven. (See related inks.)Though this involves a magnetic field and an oscillating electron beam, the electrons are not moving in a circle at the cyclotron resonance and this is not the basic mode of operation.
Earth's magnetic field strength at the equator is about 30 microtesla.
3 units
here strength means magnetic field strength
When one refers to the strength of a magnetic field, they're usually referring to the scalar magnitude of the magnetic field vector, so no.
Pole strength is ability of poles to produce lines of force where is field strength is force which a magnetic poles experiences when places in magnetic field.
the strength of a magnetic field
Magnetic flux through a loop is just a measurement of the strength of the magnetic field passing through the loop, and since magnetic field strength is directly related to magnetic force, magnetic force is directly related to the magnetic flux passing through the loop.
higher the temperature, lower is the magnetic strength..
Gauss
'Magnetic field strength' (symbol: H) is defined as 'the magnetomotive force, per unit length, of a magnetic circuit'. In SI, it is expressed in amperes per metre (A/m), which is often spoken as "'ampere turns' per metre".It's equation is: H = (IN) / lwhere:H = magnetic field strength (ampere per metre)I = current flowing through coil (amperes)N = number of turns in coill = length of magnetic circuit