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The Planck current is the natural unit of electrical current, denoted by I_p. ≈ 3.479 × 10²⁵ A

where:

is the Planck charge is the Planck time = permittivity in vacuum is Dirac's constant

G is the gravitational constant

c is the speed of light in vacuum.

See also

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Current, planck Units of electrical current

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Topics: Planck Current, Planck's Constant, Planck's Law, Planck...

Planck's constantPlanck's constant denoted h is a physical constant that is used to describe the sizes of quanta. It plays a central role in the theory of quantum mechanics, and is named after Max Planck, one of the founders of quantum theory. It has a value of approximat	Planck's lawPlanck's law discovered by Max Planck, is the basis of the quantum theory of electromagnetism. The law states that the energy associated with electromagnetic radiation comes in indivisible packets called quanta each of which is associated with a single ph	Planck temperatureThe Planck temperature named after German physicist Max Planck, is the natural unit of temperature, denoted by T. T c''5 / G 1/2 / k ≈ 1. 4 × 1032 kelvin where: c is the speed of light in a vacuum is Dirac's constant G is the gravitational constant
Planck massThe Planck mass is the natural unit of mass, denoted by m. m c / G 1/2 ≈ 2. 1 × 10-8 kg 21 µg where: c is the speed of light is Dirac's constant G is the gravitational constant Unlike most of the other Planck units, the Planck mass is on an approxim	Planck timeThe Planck time is the natural unit of time, denoted by t. It is considered the smallest possible measurement of time. 391 × 10-44 seconds where: is Dirac's constant G is the gravitational constant c is the speed of light in a vacuum The Planck time is th	Planck's law of black body radiationIn physics, the intensity spectrum of electromagnetic radiation from a black body at temperature T is given by the Planck's law of black body radiation : where: :ν is the frequency I ν) is the amount of energy per unit time per unit surface per unit
Planck units	Planck energy	Planck length
Planck density	Planck current	Planck charge