magnetic amplifier


noun Electricity.

an amplifier that applies the input signal to a primary winding and feeds an alternating current to a secondary winding where this current is modulated by the variations in the primary winding.

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This tall, horizontally branched cactus is probably the most recognizable cactus in Arizona. What is it called?
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020