0
- 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 --------------------------------------------
The magnetic field strength in an injector cyclotron is calculated using the equation B = (mv)/(qR), where B is the magnetic field strength, m is the mass of the particle, v is the velocity of the particle, q is the charge of the particle, and R is the radius of the cyclotron. By rearranging this equation, you can solve for B.
Add your answer:
Earn +20 pts
Microwaves in a microwave oven are produced by electrons circling in a magnetic field at a frequency of 2.4GHz. what is the magnetic field strength?
To calculate the magnetic field strength of microwaves produced by electrons circling at a frequency of 2.4GHz, you can use the formula: B = f * (e / (2 * π * m)), where B is the magnetic field strength, f is the frequency (2.4GHz), e is the electron charge, and m is the electron mass. Plugging in the values and constants, you can find the magnetic field strength.
How does one determine the maximum energy to which a deuteron can be accelerated in a cyclotron?
The maximum energy a deuteron can be accelerated to in a cyclotron is determined by the radius of the cyclotron and the strength of the magnetic field. The energy is limited by the radius of the cyclotron because as the deuteron gains energy, it moves in a larger orbit, potentially reaching the edge of the cyclotron where it can escape. The strength of the magnetic field affects the rate of acceleration, with higher strengths allowing for faster acceleration to higher energies.
If the strength of the magnetic field at B is 6 units the strength of the magnetic field at A is?
Since the magnetic field strength decreases with distance from the source (B), the strength of the magnetic field at point A would be less than 6 units. Without additional information, we cannot determine the precise value of the magnetic field strength at point A.
Hall effect can be used to measure?
Hall effect can be used to measure the strength of a magnetic field. When a current passes through a conductor in a magnetic field, a Hall voltage is generated perpendicular to both the current and the magnetic field. By measuring this Hall voltage, the strength of the magnetic field can be calculated.
What instrument measures the strength and direction of magnetic fields?
A magnetometer is the instrument used to measure the strength and direction of magnetic fields. It can be used to detect the presence of magnetic materials or to map out the magnetic field of an object or area.
What is meant by cyclotron frequency?
Cyclotron frequency refers to the frequency at which a charged particle orbits in a magnetic field. It is determined by the strength of the magnetic field and the mass and charge of the particle. The cyclotron frequency is an important parameter in understanding the behavior of charged particles in magnetic fields, such as in particle accelerators.
How do you calculate the pole strength of a magnetic?
The pole strength of a magnetic can be calculated by measuring the magnetic flux that it produces and dividing it by the area of the pole face. The formula to calculate the pole strength is: Pole Strength = Magnetic Flux / Area of pole face.
Microwaves in a microwave oven are produced by electrons circling in a magnetic field at a frequency of 2.4GHz. what is the magnetic field strength?
To calculate the magnetic field strength of microwaves produced by electrons circling at a frequency of 2.4GHz, you can use the formula: B = f * (e / (2 * π * m)), where B is the magnetic field strength, f is the frequency (2.4GHz), e is the electron charge, and m is the electron mass. Plugging in the values and constants, you can find the magnetic field strength.
How does one determine the maximum energy to which a deuteron can be accelerated in a cyclotron?
The maximum energy a deuteron can be accelerated to in a cyclotron is determined by the radius of the cyclotron and the strength of the magnetic field. The energy is limited by the radius of the cyclotron because as the deuteron gains energy, it moves in a larger orbit, potentially reaching the edge of the cyclotron where it can escape. The strength of the magnetic field affects the rate of acceleration, with higher strengths allowing for faster acceleration to higher energies.
How do you calculate magnetic fields strength given current and distance away from the wire?
To calculate magnetic field strength near a current-carrying wire, you can use the formula B = (μ₀ * I) / (2 * π * r), where B is the magnetic field strength, μ₀ is the magnetic constant (4π x 10^-7 T*m/A), I is the current in the wire, and r is the distance from the wire. Simply plug in the values and solve for B.
What is magnetic field strength?
Earth's magnetic field strength at the equator is about 30 microtesla.
What is the difference between magnatic field strength and pole strength?
Magnetic field strength refers to the intensity of magnetic field lines in a given area, measured in units of tesla or gauss. Pole strength, on the other hand, refers to the strength of the north or south pole of a magnet, which determines how strong the magnetic field is at that pole. In simpler terms, magnetic field strength is the overall intensity of the magnetic field, while pole strength specifically refers to the strength of individual poles on a magnet.
If the strength of the magnetic field at B is 6 units the strength of the magnetic field at A is?
Since the magnetic field strength decreases with distance from the source (B), the strength of the magnetic field at point A would be less than 6 units. Without additional information, we cannot determine the precise value of the magnetic field strength at point A.
What do strength mean?
here strength means magnetic field strength
How can increase strength of magnetic field?
To increase the strength of a magnetic field, you can use a stronger magnet or increase the current flowing through a wire in an electromagnet. You can also increase the number of coils in an electromagnet to enhance its magnetic field strength. Additionally, bringing magnetic materials closer to the magnet can also increase the overall magnetic field strength.
How is the strength of a magnetic field measured?
The strength of a magnetic field is measured using a magnetic field strength meter or a magnetometer. These instruments can quantify the intensity of the magnetic field in units like tesla (T) or gauss (G), depending on the specific application.
How does the strength of earth's magnetic field compare to the strength if the field of an average permanent magnet?
The strength of Earth's magnetic field is about 25 to 65 microteslas, while the strength of an average permanent magnet can range from 50 to 10,000 microteslas. Permanent magnets can have stronger magnetic fields than Earth's magnetic field.
