Alternately, if you want the area for a given number of turns, divide by turns instead to get A_e. ![]() Therefore, V / (4.44 * F) = Phi_max, peak fluxī_max in tesla = flux/area per turn (uV.s/mm^2.t are handy engineering units)įinally, divide by A_e of whatever core you're looking at to find number of turns. Easy to remember because 4.44 might be familiar from books on transformers, and if you keep track of the units, you can remember:
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