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1. What are the 2 circuits of a relay called?
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1. What are the 2 circuits of a relay called?

User Jerhinesmith
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The relay is best thought of as two separate circuits: A low-current control circuit that supplies power to the electromagnet, and a high-current load circuit that is enabled when the switch contacts are pulled together and allows a lot of current to flow to a load device.
User Willy
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