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j


The symbol used by engineers and some physicists to denote i, the imaginary number sqrt(-1). j is probably preferred over i because the symbol i (or I) is commonly used to denote current.


See also

i, Imaginary Number, Imaginary Unit

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Cite this as:

Weisstein, Eric W. "j." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/j.html

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