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• Ampere – Electric Current.
-a unit of electric current equal to a flow of one coulomb per second.
• Angstrom – Wavelength of light.
The ångström or angstrom is a unit of length equal to 10−10 m or 0.1 nanometre. Its symbol is Å, a letter in the Swedish alphabet
• Bar – Atmospheric Pressure.
The bar is a metric unit of pressure, but is not approved as part of the International System of Units (SI). It is defined as exactly equal to 100,000 Pa, which is slightly less than the current average atmospheric pressure on Earth at sea level.[1][2]
• .Becquerel – Activity of a radionuclide .
-the SI unit of radioactivity, corresponding to one disintegration per second.
• Coulomb – Electric charge.
The coulomb (symbol: C) is the International System of Units (SI) unit of electric charge. It is the charge (symbol: Q or q) transported by a constant current of one ampere in one second.
• Dioptre – Power of a lens.
-a unit of refractive power that is equal to the reciprocal of the focal length (in meters) of a given lens.
• Decibel – Intensity of sound.
a unit used to measure the intensity of a sound or the power level of an electrical signal by comparing it with a given level on a logarithmic scale.
(in general use) a degree of loudness.
"his voice went up several decibels.
• Dalton – Atomic mass.
-The unified atomic mass unit or dalton is a standard unit of mass that quantifies mass on an atomic or molecular scale. One unified atomic mass unit is approximately the mass of one nucleon and is numerically equivalent to 1 g/mol.
• Darcy – Permeability.
A darcy (or darcy unit) and millidarcy (md or mD) are units of permeability, named after Henry Darcy. They are not SI units, but they are widely used in petroleum engineering and geology. Like some other measures of permeability, a darcy has dimensional units in length².
• Force – Newton
The newton (symbol: N) is the International System of Units (SI) derived unit of force. It is named after Isaac Newton in recognition of his work on classical mechanics, specifically Newton's second law of motion.
• Farade – Electric capacitance.
The SI unit of capacitance is the farad (symbol: F), named after the English physicist Michael Faraday. A 1 faradcapacitor, when charged with 1 coulomb of electrical charge, has a potential difference of 1 volt between its plates. The reciprocal of capacitance is called elastance
• Henry – Inductance.
The henry (symbol: H) is the You do not have permission to view the full content of this post. Log in or register now. of electrical You do not have permission to view the full content of this post. Log in or register now..You do not have permission to view the full content of this post. Log in or register now. If a current of 1 You do not have permission to view the full content of this post. Log in or register now. flowing through the coil produces flux linkage of 1 You do not have permission to view the full content of this post. Log in or register now. turn, the coil has a self inductance of 1 henry. The unit is named after You do not have permission to view the full content of this post. Log in or register now. (1797–1878), the American scientist who discovered electromagnetic induction independently of and at about the same time as You do not have permission to view the full content of this post. Log in or register now. (1791–1867) in England.You do not have permission to view the full content of this post. Log in or register now.
• Hertz – Frequency of sound.
It is the property of sound that most determines pitch. The generally accepted standard range of audible frequencies for humans is 20 to 20,000 Hz, although the range of frequencies individuals hear is greatly influenced by environmental factors.
• Joule – Work or Energy.
The joule (/dʒuːl/; symbol: J) is a derived unit of energy in the International System of Units. It is equal to the energy transferred to (orwork done on) an object when a force of one newton acts on that object in the direction of its motion through a distance of one metre (1 newton metre or N⋅m).
• Knot – Speed of ship.
A knot is one nautical mile per hour (1knot = 1.15 miles per hour ). The termknot dates from the 17th century, when sailors measured the speed of theirship by using a device called a "common log."
• Kilowatt – Electric power.
The typical American home uses about 7,200 kilowatt-hours of electricity each year [1]. Megawatts are used to measure the output of a power plant or the amount of electricity required by an entire city. One megawatt (MW) = 1,000 kilowatts = 1,000,000 watts.
• Kelvin – Thermodynamic Temperature.
The Kelvin scale is an You do not have permission to view the full content of this post. Log in or register now.You do not have permission to view the full content of this post. Log in or register now. You do not have permission to view the full content of this post. Log in or register now. using as its null point You do not have permission to view the full content of this post. Log in or register now., the temperature at which all You do not have permission to view the full content of this post. Log in or register now. ceases in the classical description of You do not have permission to view the full content of this post. Log in or register now.. The kelvin (symbol: K) is the You do not have permission to view the full content of this post. Log in or register now. of You do not have permission to view the full content of this post. Log in or register now. in the You do not have permission to view the full content of this post. Log in or register now. (SI). The kelvin is defined as the fraction 1⁄273.16 of the thermodynamic temperature of the You do not have permission to view the full content of this post. Log in or register now. (exactly 0.01 °C or 32.018 °F).You do not have permission to view the full content of this post. Log in or register now. In other words, it is defined such that the You do not have permission to view the full content of this post. Log in or register now. of water is exactly 273.16 K.
• Lax – Illuminance.
The lux (symbol: lx) is the You do not have permission to view the full content of this post. Log in or register now. of You do not have permission to view the full content of this post. Log in or register now. and You do not have permission to view the full content of this post. Log in or register now., measuring You do not have permission to view the full content of this post. Log in or register now. per unit area.You do not have permission to view the full content of this post. Log in or register now. It is equal to one You do not have permission to view the full content of this post. Log in or register now. per square metre. In You do not have permission to view the full content of this post. Log in or register now., this is used as a measure of the intensity, as perceived by the human eye, of You do not have permission to view the full content of this post. Log in or register now. that hits or passes through a surface. It is analogous to the You do not have permission to view the full content of this post. Log in or register now. unit watt per square metre, but with the power at each You do not have permission to view the full content of this post. Log in or register now. weighted according to the You do not have permission to view the full content of this post. Log in or register now., a standardized model of You do not have permission to view the full content of this post. Log in or register now. visual brightness perception. In English, "lux" is used as both the singular and plural form.You do not have permission to view the full content of this post. Log in or register now.
• Maxwell – Magnetic flux.
The maxwell, abbreviated as Mx, is the compound derived CGS unit ofmagnetic flux. ... The unit name honors James Clerk Maxwell, who presented the unified theory of electromagnetism, and was established by the IEC in 1930
• Ohm – Electric resistance.
The ohm (symbol: Ω) is the SI derived unit of electrical resistance, named after German physicist Georg Simon Ohm.
• Volt – Electric potential.
Electric potential is electric potentialenergy per unit charge, measured in joules per coulomb (volts). "Electric potential" must be distinguished from "electric potential energy" by noting that the "potential" is a "per-unit-charge" quantity.
• Watt – Power
The watt (symbol: W) is a unit of You do not have permission to view the full content of this post. Log in or register now.. In the You do not have permission to view the full content of this post. Log in or register now. (SI) it is defined as a You do not have permission to view the full content of this post. Log in or register now. of 1 You do not have permission to view the full content of this post. Log in or register now. per You do not have permission to view the full content of this post. Log in or register now.,You do not have permission to view the full content of this post. Log in or register now. and is used to You do not have permission to view the full content of this post. Log in or register now. the rate of You do not have permission to view the full content of this post. Log in or register now.. In You do not have permission to view the full content of this post. Log in or register now. it is described by {\displaystyle {\mathsf {ML}}^{2}{\mathsf {T}}^{-3}}.You do not have permission to view the full content of this post. Log in or register now.
• Siemens – Electric Conductance.
The siemens (symbol: S) is the derived unit of electric conductance, electric susceptance and electric admittance in the International System of Units (SI).
Fathom-depth of the sea
- fathom is a unit of lenght in the imperial and the U.S. customary systems equal to 6 feet (1.8288 m), used especially for measuring thedepth of water. There are two yards (6 feet) in an imperial fathom.
-a unit of electric current equal to a flow of one coulomb per second.
• Angstrom – Wavelength of light.
The ångström or angstrom is a unit of length equal to 10−10 m or 0.1 nanometre. Its symbol is Å, a letter in the Swedish alphabet
• Bar – Atmospheric Pressure.
The bar is a metric unit of pressure, but is not approved as part of the International System of Units (SI). It is defined as exactly equal to 100,000 Pa, which is slightly less than the current average atmospheric pressure on Earth at sea level.[1][2]
• .Becquerel – Activity of a radionuclide .
-the SI unit of radioactivity, corresponding to one disintegration per second.
• Coulomb – Electric charge.
The coulomb (symbol: C) is the International System of Units (SI) unit of electric charge. It is the charge (symbol: Q or q) transported by a constant current of one ampere in one second.
• Dioptre – Power of a lens.
-a unit of refractive power that is equal to the reciprocal of the focal length (in meters) of a given lens.
• Decibel – Intensity of sound.
a unit used to measure the intensity of a sound or the power level of an electrical signal by comparing it with a given level on a logarithmic scale.
(in general use) a degree of loudness.
"his voice went up several decibels.
• Dalton – Atomic mass.
-The unified atomic mass unit or dalton is a standard unit of mass that quantifies mass on an atomic or molecular scale. One unified atomic mass unit is approximately the mass of one nucleon and is numerically equivalent to 1 g/mol.
• Darcy – Permeability.
A darcy (or darcy unit) and millidarcy (md or mD) are units of permeability, named after Henry Darcy. They are not SI units, but they are widely used in petroleum engineering and geology. Like some other measures of permeability, a darcy has dimensional units in length².
• Force – Newton
The newton (symbol: N) is the International System of Units (SI) derived unit of force. It is named after Isaac Newton in recognition of his work on classical mechanics, specifically Newton's second law of motion.
• Farade – Electric capacitance.
The SI unit of capacitance is the farad (symbol: F), named after the English physicist Michael Faraday. A 1 faradcapacitor, when charged with 1 coulomb of electrical charge, has a potential difference of 1 volt between its plates. The reciprocal of capacitance is called elastance
• Henry – Inductance.
The henry (symbol: H) is the You do not have permission to view the full content of this post. Log in or register now. of electrical You do not have permission to view the full content of this post. Log in or register now..You do not have permission to view the full content of this post. Log in or register now. If a current of 1 You do not have permission to view the full content of this post. Log in or register now. flowing through the coil produces flux linkage of 1 You do not have permission to view the full content of this post. Log in or register now. turn, the coil has a self inductance of 1 henry. The unit is named after You do not have permission to view the full content of this post. Log in or register now. (1797–1878), the American scientist who discovered electromagnetic induction independently of and at about the same time as You do not have permission to view the full content of this post. Log in or register now. (1791–1867) in England.You do not have permission to view the full content of this post. Log in or register now.
• Hertz – Frequency of sound.
It is the property of sound that most determines pitch. The generally accepted standard range of audible frequencies for humans is 20 to 20,000 Hz, although the range of frequencies individuals hear is greatly influenced by environmental factors.
• Joule – Work or Energy.
The joule (/dʒuːl/; symbol: J) is a derived unit of energy in the International System of Units. It is equal to the energy transferred to (orwork done on) an object when a force of one newton acts on that object in the direction of its motion through a distance of one metre (1 newton metre or N⋅m).
• Knot – Speed of ship.
A knot is one nautical mile per hour (1knot = 1.15 miles per hour ). The termknot dates from the 17th century, when sailors measured the speed of theirship by using a device called a "common log."
• Kilowatt – Electric power.
The typical American home uses about 7,200 kilowatt-hours of electricity each year [1]. Megawatts are used to measure the output of a power plant or the amount of electricity required by an entire city. One megawatt (MW) = 1,000 kilowatts = 1,000,000 watts.
• Kelvin – Thermodynamic Temperature.
The Kelvin scale is an You do not have permission to view the full content of this post. Log in or register now.You do not have permission to view the full content of this post. Log in or register now. You do not have permission to view the full content of this post. Log in or register now. using as its null point You do not have permission to view the full content of this post. Log in or register now., the temperature at which all You do not have permission to view the full content of this post. Log in or register now. ceases in the classical description of You do not have permission to view the full content of this post. Log in or register now.. The kelvin (symbol: K) is the You do not have permission to view the full content of this post. Log in or register now. of You do not have permission to view the full content of this post. Log in or register now. in the You do not have permission to view the full content of this post. Log in or register now. (SI). The kelvin is defined as the fraction 1⁄273.16 of the thermodynamic temperature of the You do not have permission to view the full content of this post. Log in or register now. (exactly 0.01 °C or 32.018 °F).You do not have permission to view the full content of this post. Log in or register now. In other words, it is defined such that the You do not have permission to view the full content of this post. Log in or register now. of water is exactly 273.16 K.
• Lax – Illuminance.
The lux (symbol: lx) is the You do not have permission to view the full content of this post. Log in or register now. of You do not have permission to view the full content of this post. Log in or register now. and You do not have permission to view the full content of this post. Log in or register now., measuring You do not have permission to view the full content of this post. Log in or register now. per unit area.You do not have permission to view the full content of this post. Log in or register now. It is equal to one You do not have permission to view the full content of this post. Log in or register now. per square metre. In You do not have permission to view the full content of this post. Log in or register now., this is used as a measure of the intensity, as perceived by the human eye, of You do not have permission to view the full content of this post. Log in or register now. that hits or passes through a surface. It is analogous to the You do not have permission to view the full content of this post. Log in or register now. unit watt per square metre, but with the power at each You do not have permission to view the full content of this post. Log in or register now. weighted according to the You do not have permission to view the full content of this post. Log in or register now., a standardized model of You do not have permission to view the full content of this post. Log in or register now. visual brightness perception. In English, "lux" is used as both the singular and plural form.You do not have permission to view the full content of this post. Log in or register now.
• Maxwell – Magnetic flux.
The maxwell, abbreviated as Mx, is the compound derived CGS unit ofmagnetic flux. ... The unit name honors James Clerk Maxwell, who presented the unified theory of electromagnetism, and was established by the IEC in 1930
• Ohm – Electric resistance.
The ohm (symbol: Ω) is the SI derived unit of electrical resistance, named after German physicist Georg Simon Ohm.
• Volt – Electric potential.
Electric potential is electric potentialenergy per unit charge, measured in joules per coulomb (volts). "Electric potential" must be distinguished from "electric potential energy" by noting that the "potential" is a "per-unit-charge" quantity.
• Watt – Power
The watt (symbol: W) is a unit of You do not have permission to view the full content of this post. Log in or register now.. In the You do not have permission to view the full content of this post. Log in or register now. (SI) it is defined as a You do not have permission to view the full content of this post. Log in or register now. of 1 You do not have permission to view the full content of this post. Log in or register now. per You do not have permission to view the full content of this post. Log in or register now.,You do not have permission to view the full content of this post. Log in or register now. and is used to You do not have permission to view the full content of this post. Log in or register now. the rate of You do not have permission to view the full content of this post. Log in or register now.. In You do not have permission to view the full content of this post. Log in or register now. it is described by {\displaystyle {\mathsf {ML}}^{2}{\mathsf {T}}^{-3}}.You do not have permission to view the full content of this post. Log in or register now.
• Siemens – Electric Conductance.
The siemens (symbol: S) is the derived unit of electric conductance, electric susceptance and electric admittance in the International System of Units (SI).
Fathom-depth of the sea
- fathom is a unit of lenght in the imperial and the U.S. customary systems equal to 6 feet (1.8288 m), used especially for measuring thedepth of water. There are two yards (6 feet) in an imperial fathom.
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