Searches , social queries for FIELD STRENGTH
Search references for FIELD STRENGTH. Phrases containing FIELD STRENGTH
See searches and references containing FIELD STRENGTH!
Search references for FIELD STRENGTH. Phrases containing FIELD STRENGTH
See searches and references containing FIELD STRENGTH!FIELD STRENGTH
Value of a vector-valued field
For example, an electromagnetic field has both electric field strength and magnetic field strength. Field strength is a common term referring to a vector
Field_strength
Physical field surrounding an electric charge
electric field would double, and if you move twice as far away from the source, the field at that point would be only one-quarter its original strength. The
Electric_field
Measurement device used in telecommunications
field strength meter is an instrument that measures the electric field strength emanating from a transmitter. In ideal free space, the electric field
Field_strength_meter
Mathematical object that describes the electromagnetic field in spacetime
electromagnetic field tensor (sometimes called the field strength tensor, Faraday tensor or Maxwell bivector) is a tensor that describes the electromagnetic field in
Electromagnetic_tensor
Property of space that quantifies the magnetic influence at a given location
is useful to define a magnetic H field, also known as magnetic field strength, such that: Definition of the H field (vector form, SI units) H ≡ 1 μ 0
Magnetic_field
Degree of insulation
the term dielectric strength has the following meanings: for a pure electrically insulating material, the maximum electric field that the material can
Dielectric_strength
Topics referred to by the same term
move surrounding material Field strength, the magnitude of a field's vector Signal strength, in telecommunications Strength (material), the behavior of
Strength
Physical constant for the strength of gravity induced by a mass
constant is an empirical physical constant that gives the strength of the gravitational field induced by a mass. It is involved in the calculation of gravitational
Gravitational_constant
Second-rank tensor in quantum chromodynamics
In theoretical particle physics, the gluon field strength tensor is a second-order tensor field characterizing the gluon interaction between quarks. The
Gluon_field_strength_tensor
Electrical engineering concept
field strength and where appropriate for conducted emissions along cables and wiring. Inductive (magnetic) and capacitive (electric) field strengths are
Electromagnetic_compatibility
Effect of a rotating superconductor
field strength is independent of the charge carrier density in the superconductor. A magnetometer determines the orientation of the generated field,
London_moment
Units defined only by physical constants
OCLC 785233016. de Sabbata, Venzo; Sivaram, C. (1993). "On limiting field strengths in gravitation". Foundations of Physics Letters. 6 (6): 561–570. Bibcode:1993FoPhL
Planck_units
Dipole field strength in free space, in telecommunications, is the electric field strength caused by a half wave dipole under ideal conditions. The actual
Dipole field strength in free space
Dipole_field_strength_in_free_space
Logarithmic unit expressing the ratio of physical quantities
45–46. ISBN 978-0750648448. "The dBμ vs. dBu mystery: Signal strength vs. field strength?". Radio Time Traveller (radio-timetraveller.blogspot.com) (blog)
Decibel
Behaviour of electromagnetic fields
describe the behaviour of electromagnetic fields; electric field, electric displacement field, and the magnetic field at the interface of two materials. The
Interface conditions for electromagnetic fields
Interface_conditions_for_electromagnetic_fields
Energy density associated with a magnetic field
associated with a magnetic field. In SI units, the energy density P B {\displaystyle P_{B}} of a magnetic field with strength B {\displaystyle B} can be
Magnetic_pressure
Ion or molecule bound to a metal atom
Δo is determined by the field-strength of the ligand: strong field ligands, by definition, increase Δo more than weak field ligands. Ligands can now
Ligand
SI unit of magnetic field strength
largest MRI scanner 13 T – strength of the superconducting ITER magnet system 14.5 T – highest magnetic field strength ever recorded for an accelerator
Tesla_(unit)
object appear to pulse. quadratic field strength A method of computing the mean strength of a varying stellar magnetic field. It is determined by calculating
Glossary_of_astronomy
Limiting magnetic field strength for superconductivity
For a given temperature, the critical field refers to the maximum magnetic field strength below which a material remains superconducting. Superconductivity
Critical_field
Spectral line splitting in magnetic field
sub-levels is a function of magnetic field strength, this effect can be used to measure magnetic field strength, e.g. that of the Sun and other stars
Zeeman_effect
Background energy existing in space
accurately changes in the strength of, such a field to propagate as per the appropriate wave equation for the particular field in question. The second quantization
Vacuum_energy
Device that measures magnetism
magnetic field (B) or magnetic dipole moment. Different types of magnetometers measure the direction, strength, or relative change of the magnetic B-field at
Magnetometer
Unit of the auxiliary magnetic field H in the CGS system of units
(≈79.5775) amperes per metre, in terms of the pre-2019 SI units. The H-field strength inside a long solenoid wound with 79.58 turns per metre of a wire carrying
Oersted
Material that can form magnetic vortices
above a certain critical field strength Hc1. The vortex density increases with increasing field strength. At a higher critical field Hc2, typically of the
Type-II_superconductor
Low-Field MRI
Low-field magnetic resonance imaging (LFMRI) is a form of medical imaging that uses a system of magnets with field strengths of approximately 0.25 to 1
Low-field magnetic resonance imaging
Low-field_magnetic_resonance_imaging
Application of an external magnetic field to a ferromagnet
field in the opposite direction. This is the effect that provides the element of memory in a hard disk drive. The relationship between field strength
Magnetic_hysteresis
Theoretical framework in physics
field strength is first redefined: ϕ = Z 1 / 2 ϕ r , {\displaystyle \phi =Z^{1/2}\phi _{r},} where ϕ is the bare field, ϕr is the renormalized field,
Quantum_field_theory
Fundamental interaction between charged particles
displacement field, D and magnetic field strength, H, in addition to E and B. Finally, it is sometimes useful to describe electromagnetic fields not in terms
Electromagnetism
Physical quantities taking values at each point in space and time
the strength of most fields diminishes with distance, eventually becoming undetectable. For instance the strength of many relevant classical fields, such
Field_(physics)
Conduction of electricity through an insulator under sufficiently high voltage
undergo breakdown when the electric field caused by an applied voltage exceeds the material's dielectric strength. The voltage at which a given insulating
Electrical_breakdown
Sudden flow of electric current between two electrically charged objects by contact
cause damage to sensitive electronic devices. Electric sparks require a field strength above approximately 4 million V/m in air, as notably occurs in lightning
Electrostatic_discharge
Comparison of a wide range of magnetic fields
magnitude. The magnetic flux density does not measure how strong a magnetic field is, but only how strong the magnetic flux is in a given point or at a given
Orders of magnitude (magnetic field)
Orders_of_magnitude_(magnetic_field)
Map indicating service areas of transmitting stations
reception may be variable but the service may still be usable. The field strength that the marked service boundary on a coverage map represents will be
Coverage_map
Ramond–Ramond (RR) fields come in pairs consisting of a p-form potential Cp and a (p + 1)-form field strength Gp+1. The field strength is, as usual defined
Ramond–Ramond_field
Regions of an electromagnetic field
near-field's E and B strengths decrease more rapidly with distance: The radiative field decreases by the inverse-distance squared, the reactive field by
Near_and_far_field
Difference between mass and weight
if both are subject to the same gravity (i.e. the same gravitational field strength). In scientific contexts, mass is the amount of "matter" in an object
Mass_versus_weight
Vehicle propulsion using electromagnetic fields
electrolysis in the vicinity of electrodes, and increasing the magnetic field strength is limited by the cost, size and weight (as well as technological limitations)
Magnetohydrodynamic_drive
Magnet that creates a magnetic field through an electric current
inside the coil. A core can increase the magnetic field to thousands of times the strength of the field of the coil alone, due to the high magnetic permeability
Electromagnet
Quantum field theory
indexed by a, corresponding to the F-quantities (the curvature or field-strength form) satisfying tr ( T a T b ) = 1 2 δ a b , [ T a , T b
Yang–Mills_theory
Magnitude or dimension of a thing
the surface of the Earth (its mass multiplied by the gravitational field strength). Its weight will be less on Mars (where gravity is weaker), more on
Size
Assistive listening technology
and other metalwork in buildings can cause problems by reducing the field strength unevenly across the loop area, causing frequency distortions. In most
Audio_induction_loop
Electronic component
frequencies of operation. Above a particular electric field strength, known as the dielectric strength E d s {\displaystyle E_{\mathrm {ds} }} , the dielectric
Capacitor
Physical constant; ratio of electric to magnetic field strength in a vacuum
|}{|\mathbf {H} |}},} where |E| is the electric field strength, and |H| is the magnetic field strength. Its presently accepted value is Z0 = 376.730313412(59) Ω
Impedance_of_free_space
Force exerted on an object by a body with which it is in contact, and vice versa
{\displaystyle F_{n}=mg} , where m is mass, and g is the gravitational field strength (about 9.81 N/kg on Earth). The normal force here represents the force
Normal_force
Two circular coil device which creates a homogeneous magnetic field
in field strength between the center and the planes of the coils. A slightly larger value of h {\displaystyle h} reduces the difference in field between
Helmholtz_coil
of an approximately 200-million-year-long cycle in the strength of the Earth's magnetic field related to deep Earth processes." The inclination is given
Earth's_magnetic_field
Effect of a nuclear explosion on electronic equipment
been much larger (22 to 30 kV/m) because of the greater strength of the Earth's magnetic field over the United States, as well as its different orientation
Nuclear_electromagnetic_pulse
Concept in the physics of electromagnetism
quantity which characterizes the strength and orientation of a magnet or other object or system that exerts a magnetic field. The magnetic dipole moment of
Magnetic_moment
Derivative used in gauge theories
defined; the curvature of an affine connection can be understood as the field strength of the gauge potential. When a metric is available, then one can go
Gauge_covariant_derivative
Medical imaging technique
voxel resonates depends on the strength of the local magnetic field around the proton or group of protons, a stronger field corresponds to a larger energy
Physics of magnetic resonance imaging
Physics_of_magnetic_resonance_imaging
Charge carrier velocity
current values for a given electric field strength. There is a limit though to this process and at some high field value, a charge carrier can not move
Saturation_velocity
Zirconium silicate mineral
from silicate melts and has relatively high concentrations of high field strength incompatible elements. For example, hafnium is almost always present
Zircon
Terminology in physics
quantity is a quantity such as voltage, current, sound pressure, electric field strength, speed, or charge density, the square of which, in linear systems, is
Power, root-power, and field quantities
Power,_root-power,_and_field_quantities
Theoretical design for a compact fusion reactor
superconductors. These magnets can be run at much higher field strengths, 23 T, roughly doubling the magnetic field on the plasma axis. The confinement time for a
ARC_fusion_reactor
Type of particle accelerator
can be reached by the magnetic field and the accelerating structures, and on the maximum strength of the magnetic field which can be achieved. In the nonrelativistic
Cyclotron
Class of physical phenomena
opposed polarity to that field, thereby lowering the net field strength. When ferromagnetic material is placed within a magnetic field, the magnetic dipoles
Magnetism
mV/m: the minimum strength at which a station can be received with acceptable quality on most receivers The electric field strength at a specific point
Signal strength in telecommunications
Signal_strength_in_telecommunications
Ability of magnetization
susceptibility). The magnetic moment induced by the applied field is linear in the field strength, and it is rather weak. It typically requires a sensitive
Permeability (electromagnetism)
Permeability_(electromagnetism)
Directional variation in strength of radio waves
radiation pattern (or antenna pattern or far-field pattern) is the directional (angular) dependence of the field strength (sometimes also the phase) of the radio
Radiation_pattern
Tube-like region of space with constant magnet flux along its length
magnetic field strength may vary along the length of the tube, but the magnetic flux inside is always constant. A flux tube in which the field is twisted
Flux_tube
Sixth planet from the Sun
2032. Saturn has an intrinsic magnetic field that has a simple, symmetric shape—a magnetic dipole. Its strength at the equator—0.2 gauss (20 μT)—is approximately
Saturn
Tool for measuring electrostatic charge on objects
non-contact measurement of electrostatic fields and surface potentials. It detects the electric field strength (typically in volts per meter V/m or volts
Electrostatic_fieldmeter
Power per area
the power density, E = the RMS electric field strength in volts per meter, H = the RMS magnetic field strength in amperes per meter. The above equation
Surface_power_density
Spectroscopic technique based on change of nuclear spin state
intrinsic frequency of the nuclei, which depends on the strength of the static magnetic field, the chemical environment, and the magnetic properties of
Nuclear_magnetic_resonance
Measure of electric field through surface
charge). These are called Gauss lines. Note that field lines are a graphic illustration of field strength and direction and have no physical meaning as isolated
Electric_flux
Laboratory technique
nature of the nucleus and increases proportionally to the strength of the external magnetic field. Notably, the resonance frequency of each NMR-active nucleus
Nuclear magnetic resonance spectroscopy
Nuclear_magnetic_resonance_spectroscopy
Class of magnetic confinement fusion reactor
and that the resulting fields enjoy the aforementioned properties. In a QI field, level curves of the magnetic field strength B {\displaystyle B} on a
Quasi-isodynamic_stellarator
Weak, attractive magnetism possessed by most elements and some compounds
hence are attracted to magnetic fields. The magnetic moment induced by the applied field is linear in the field strength and rather weak. It typically requires
Paramagnetism
Region of the radiation pattern of an antenna
greatest field strength. The radiation pattern of most antennas shows a pattern of "lobes" at various directions, where the radiated signal strength reaches
Main_lobe
Atomic-scale non-crystalline structure of liquids and glasses
Coulombic interactions between atoms. He categorized cations using field strength where FS=zc/(rc+ra)2, where zc is the charge of the cation, and rc and
Structure of liquids and glasses
Structure_of_liquids_and_glasses
Measure used in radio engineering and telecommunications
amplitude of the transmission line's currents, electric field strength, or the magnetic field strength. Neglecting transmission line loss, these ratios are
Standing_wave_ratio
Region around an astronomical object
magnetic field. The later mission of Explorer 12 in 1961 led by the Cahill and Amazeen observation in 1963 of a sudden decrease in magnetic field strength near
Magnetosphere
Distinctive narrow spectral feature of chemical species
an electric field of a charged particle at a distance r {\displaystyle r} , causing a shift in energy that is linear in the field strength. ( Δ E ∼ 1 /
Spectral_line
created in a field of about 5 microtesla (μT), compared to present day Earth's 50 μT. During the Apollo program several magnetic field strength readings were
Magnetic_field_of_the_Moon
Equipment for electromagnetic testing
absorption of electromagnetic energy. Due to the low absorption, very high field strength can be achieved with moderate input power. A reverberation chamber is
Electromagnetic reverberation chamber
Electromagnetic_reverberation_chamber
Quantum field giving rise to gluons
four-potential in quantum electrodynamics – the gluon field constructs the gluon field strength tensor. Throughout this article, Latin indices take values
Gluon_field
orientation (declination and inclination) and field strength (paleointensity) of the Earth's geomagnetic field at the time the rock was formed, deposited
Natural remanent magnetization
Natural_remanent_magnetization
Highly magnetic type of cataclysmic variable binary star system
Ursae Majoris has the strongest known magnetic field among cataclysmic variables, with a field strength of 230 million gauss (23 kT). One of the most critical
Polar_(star)
Application of Lagrangian mechanics to field theories
the (non-Abelian) gauge field, i.e. the Yang–Mills field and F {\displaystyle F} is its field-strength. The Euler–Lagrange equations for the Ginzburg–Landau
Lagrangian_(field_theory)
Movement of an object's magnetic moment axis about a magnetic field
gyromagnetic ratios, which give the Larmor frequencies at a given magnetic field strength, have been measured and tabulated. Crucially, the Larmor frequency is
Larmor_precession
Use of circular rotational force to mimic gravity
produce a useful centripetal force comparable to the gravitational field strength on Earth (g). Scientists are concerned about the effect of such a system
Artificial_gravity
Mercury's small magnetic field
the field's strength as 1.1% that of Earth's magnetic field. The origin of the magnetic field can be explained by dynamo theory. The magnetic field is
Mercury's_magnetic_field
Medical imaging technique
requires a magnetic field that is both strong and uniform to a few parts per million across the scan volume. The field strength of the magnet is measured
Magnetic_resonance_imaging
Magnetic field around the Jovian system
rotation; the tilt is similar to that of the Earth (11.3°). Its equatorial field strength is about 417.0 μT (4.170 G), which corresponds to a dipole magnetic
Magnetosphere_of_Jupiter
Category of techniques that allow later playback of analog signals
a physical texture on a phonograph record, or a fluctuation in the field strength of a magnetic recording. Analog transmission methods use analog signals
Analog_recording
Assignment of a vector to each point in a subset of Euclidean space
formula Field line Field strength Gradient flow and balanced flow in atmospheric dynamics Lie derivative Scalar field Time-dependent vector field Vector
Vector_field
NMR use in the geomagnetic field
proportional to the strength of the applied magnetic field, and the magnetogyric or gyromagnetic ratio of that isotope. The signal strength is proportional
Earth's_field_NMR
Technique to study materials that have unpaired electrons
electron than with a nucleus, at identical magnetic field strengths. For example, for the field of 3350 G shown above, spin resonance occurs near 9388
Electron paramagnetic resonance
Electron_paramagnetic_resonance
polarity at lower applied magnetic field strength than the hard one. Upon application of a magnetic field of appropriate strength, the soft layer switches polarity
Spin_valve
Method of imaging magnetic fields at microscopic scales
quantum interference device (SQUID) is used to image surface magnetic field strength with micrometre-scale resolution. A tiny SQUID is mounted onto a tip
Scanning_SQUID_microscopy
The transition is dependent on many factors such as density, magnetic field strength, heating method, plasma fueling, and edge plasma control, and is made
L-H_mode_transition
Quantum number related to the strong force
charge in Wiktionary, the free dictionary. Color confinement Gluon field strength tensor Electric charge Feynman, R.P. (1985). QED: The Strange Theory
Color_charge
Physical law about electrical discharge in gases
is 327 V, which is 43 MV/m. This is about 14 times greater than the field strength for the 1.5-metre gap. The phenomenon is well verified experimentally
Paschen's_law
Decay of strong electromagnetic fields into particles
strong electric-field strength, so various mechanisms have been proposed to speed up the process and thereby reduce the electric field strength required for
Schwinger_effect
Largest moon of Jupiter
The equatorial field of Ganymede is directed against the Jovian field, meaning reconnection is possible. The intrinsic field strength at the poles is
Ganymede_(moon)
Star in the constellation Monoceros
significant magnetic field was measured. It has a magnetic field strength of up to 43 kG, or about 43,000 times the Sun's magnetic field strength. If it ends its
HD_45166
Capacity of a material or structure to withstand loads tending to reduce size
In mechanics, compressive strength (or compression strength) is the capacity of a material or structure to withstand loads tending to reduce size (compression)
Compressive_strength
materials, the strength of a material is its ability to withstand an applied load without failure or plastic deformation. The field of strength of materials
Strength_of_materials
Atmospheric effect caused by the solar wind
the field line at any time is known as its Larmor radius. The pitch angle increases as the electron travels to a region of greater field strength nearer
Aurora
travel, tourism, insurance
FIELD STRENGTH
FIELD STRENGTH
FIELD STRENGTH
FIELD STRENGTH
FIELD STRENGTH
FIELD STRENGTH
FIELD STRENGTH
FIELD STRENGTH
FIELD STRENGTH
travel, tourism, insurance