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nounan electrical device by which alternating current of one voltage is changed to another voltagetype of:
Definition that contains transformer
- coil a transformer that supplies high voltage to spark plugs in a gasoline engine
- cascade transformer a number of transformers in series; provides a high-voltage source
- voltage regulator a transformer whose voltage ratio of transformation can be adjusted
- step-down transformer a transformer that reduces voltage
- step-up transformer a transformer that increases voltage
- tesla coil a step-up transformer with an air core; used to produce high voltages at high frequencies