|
Title: A relay is a device that ________. Post by: cattyson on Jan 23, 2018 A relay is a device that ________.
A) isolates the actuating signal from the control signal B) uses an electromagnet to open and close contacts C) has a coil to actuate some contacts that control other circuits D) all of these Title: A relay is a device that ________. Post by: Hadajahpope on Jan 23, 2018 Content hidden
|