International System of Units

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SI base units -

Time

Unit name - Second
Unit symbol - S

Length

Unit name - Metre
Unit symbol - M

Mass

Unit name - Kilogram
Unit symbol - Kg

Electric current

Unit name - Ampere
Unit symbol - A

Thermodynamic temperature

Unit name - Kelvin
Unit symbol - K

Amount of substance

Unit name - Mole
Unit symbol - Mol

Luminous intensity

Unit name - Candela
Unit symbol - cd

Dimensionless derived units -

Plane angle

Unit name - Radian
Unit symbol - rad

Solid angle

Unit name - Steradian
Unit symbol - sr

 

Derived units -

Frequency

Unit name - Hertz
Unit symbol - Hz

Force

Unit name - Newton
Unit symbol - N

Weight

Unit name - Newton
Unit symbol - N

Pressure

Unit name - Pascal
Unit symbol - Pa

Stress

Unit name - Pascal
Unit symbol - Pa

Energy

Unit name - Joule
Unit symbol - J

Work

Unit name - Joule
Unit symbol - J

Heat

Unit name - Joule
Unit symbol - J

Power

Unit name - Watt
Unit symbol - W

Radiant flux

Unit name - Watt
Unit symbol - W

Electrical conductance

Unit name - Siemens
Unit symbol - S

Electrical potential difference (voltage)

Unit name - Volt
Unit symbol - V

Emf

Unit name - Volt
Unit symbol - V

Electric charge

Unit name - Coulomb
Unit symbol - C

Resistance

Unit name - Ohm
Unit symbol - Ω

Impedance

Unit name - Ohm
Unit symbol - Ω

Reactance

Unit name - Ohm
Unit symbol - Ω

Inductance 

Unit name - Henry
Unit symbol - H

Temperature

Unit name - Degree Celsius
Unit symbol - °C

Luminous flux

Unit name - Lumen
Unit symbol - Lm

Magnetic flux

Unit name - Weber
Unit symbol - Wb

Magnetic flux density

Unit name - Tesla
Unit symbol - T








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