| NOUN | artifact | voltage regulator | a transformer whose voltage ratio of transformation can be adjusted |
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| Meaning | A transformer whose voltage ratio of transformation can be adjusted. | |
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| Part of | electrical system | equipment in a motor vehicle that provides electricity to start the engine and ignite the fuel and operate the lights and windshield wiper and heater and air conditioner and radio |
| Broader | transformer | An electrical device by which alternating current of one voltage is changed to another voltage |
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