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International System of Units (view source)
Revision as of 12:22, February 5, 2009
, 12:22, February 5, 2009→Tesla: misspelled name
The '''henry''' (symbol H) is that [[inductance]] in a closed loop or coil that produces a magnetic flux of one weber given a current of one ampere. To calculate, divide magnetic flux by current.
The '''henry''' (symbol H) is that [[inductance]] in a closed loop or coil that produces a magnetic flux of one weber given a current of one ampere. To calculate, divide magnetic flux by current.
==== Tesla ====
==== Tesla ====
The '''tesla''' (symbol T, for [[Nicola Tesla]]) is the [[magnetic flux density]] required to produce one weber of magnetic flux in one square meter of surface area. To calculate, divide flux by area.
The '''tesla''' (symbol T, for [[Nikola Tesla]]) is the [[magnetic flux density]] required to produce one weber of magnetic flux in one square meter of surface area. To calculate, divide flux by area.
=== Light ===
=== Light ===
==== Lumen ====
==== Lumen ====