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Did you mean conventional current or convection current?

As this question is in an Electronics category, I will assume that you meant conventional current.

Conventional current flow is electrical current flow from positive to negative as defined by conventional practicegoing back to Ben Franklin, etc. Note that this is opposite to electron current flow from negative to positive as defined by the physical movement of electrons in conductors, n type semiconductors, and vacuum tubes. Note that this is the same as hole current flow from positive to negative as defined by the physical movement of holes in p type semiconductors.

If by some chance you got the wrong category and did mean convection current; that is cyclic fluid flow driven by a heat differential in a gravitational field. It can happen in any fluid: gas (e.g. air), liquid (e.g. water), or semisolid (e.g. hot rocks of earth's mantle).

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12y ago

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