The 7 major SI units and the 22 derived Units - Statistics

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  • This quiz has been taken 19 times
  • The average score is 21 of 29
Answer Stats
Hint Abreviation Answer % Correct
Measure of electric current. It relates to the flow of elementary charges per second. A Ampere
100%
Measure of mass. Since 2019, its definition is based on the fixed numerical value of the Planck constant. Kg Kilogram
100%
It is defined by the distance light travels in a vacuum in 1/299,792,458 of a second. m Meter
100%
Measure of time. It is defined by the vibration frequency of a cesium-133 atom. s Second
100%
Frequency (cycles per second) Hz Hertz
92%
Energy, Work, or Heat J Joule
92%
Measure of thermodynamic temperature. It is anchored to the Boltzmann constant. K Kelvin
92%
Measure of the amount of substance. One of these contains exactly 6.02214076 × 10²³ elementary entities (Avogadro's number). mol Mole
92%
Force N Newton
92%
Electric resistance Ω Ohm
92%
Pressure or Stress Pa Pascal
92%
Power or Radiant flux W Watt
92%
Plane angle rad Radian
83%
Electric potential V Volt
83%
Luminous flux lm Lumen
75%
Illuminance lx Lux
75%
Measure of luminous intensity (perceived brightness) in a specific direction. Cd Candela
67%
Electrical Charge C Coulomb
67%
Magnetic flux density T Tesla
67%
Water Tempature °C Degree Celsius
58%
Capacitance F Farad
58%
Magnetic flux Wb Weber
58%
Inductance H Henry
50%
Absorbed dose of radiation Gy Gray
42%
Radioactivity (decays per second) Bq Becquerel
33%
Catalytic activity kat Katal
33%
Equivalent dose of radiation Sv Sievert
33%
Electric conductance S Siemen
17%
Solid angle sr Steradian
17%
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