A relay is an electromagnetic switch, almost always with a single switching contact, that may open or close when the relay coil is energized.
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Q10: The picture on the _ coating on
Q11: This concept of relay ladder logic plays
Q12: A _ can be described as a
Q13: Relays have been used so extensively in
Q14: One of the major applications of electrical
Q15: Early telephone receivers used a stationary coil
Q16: Television picture tubes operate on the motor
Q17: The term motor reaction is used to
Q18: The term motor effect only applies just
Q19: The term generator _ refers to the
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