Assertion: armature | /r/CapableOf | act like the primary of a transformer
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Source sentences:
text: Setting The Neutral Plane - Most DC machines are designed in such a manner that the position of the brushes on the commutator can be set or adjusted - Simplest method of setting the brushes to the neutral place position is to connect an AC voltmeter across the shunt field leads - Low AC voltage is then applied to the armature which acts like the primary of a transformer, and the shunt field acts like the secondary