Question

How can DC-magnetic fields be produced with the aid of currents?

Answer 1

But, since DC is static and AC varies in direction, fields from DC and AC sources have significant differences. Static fields, for example, do not induce currents in stationary objects, while AC fields do. Another important difference is that static electric and magnetic fields are produced by many natural sources.

Answer 2

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Magnetic fields are generated by electric currents. Alternating curents will produce alternating magnetic fields.