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Magnetické cievky na jednosmerný prúd

The coil design is relatively simple for DC coils.

Depending on the required operating voltage, the electrical power results from the electrical resistance of the windings and the relevant voltage applied. On coils without integrated electronic components, the electrical resistance can be measured and the power can be calculated as follows:

        U²
P = ----
        R

P = Active power
U = Operating voltage
R = Coil resistance

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