To demagnetize an object, place the object into a varying magnetic field powered by a source of direct current.

Name: To demagnetize an object, place the object into a varying magnetic field powered by a source of direct current.
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To demagnetize an object, the object should be placed in a varying magnetic field powered by an alternating current (AC), not direct current (DC), as the alternating nature of the current changes the magnetic field direction rapidly, which helps in demagnetizing the object.

To Demagnetize an Object, Place the Object into a Varying