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3 Questions on Mechanical Relays
Posted to Technical Theory Forum on 7/7/2023 60 Replies

T [Relay Circuits] Three questions on mechanical relays. See the attached "schemation" containing two relay circuits.

1. Why do some mechanical relays have a diode across the relay's coil and other mechanical relays have a resistor across the relay's coil? 2... Login to read more.

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