An electromechanical device that operates switching contacts by electromagnetic induction is a
A) relay
B) solenoid
C) motor
D) generator
Correct Answer:
Verified
Q14: For a coil, the induced voltage is
Q15: What device operates because a current is
Q16: In what device is motion supplied so
Q17: Which of the following does not help
Q18: The symbol generally used for rate of
Q20: The movable arm of an electromechanical relay
Q21: The minimum amount of relay coil voltage
Q22: What generally causes a relay to chatter?
A)
Q23: The mmf of a coil is
A) inversely
Q24: The practical unit for magnetomotive force is
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