Moderate

The relay operating speed depends upon_________________?

Correct answer: D. all of the above

  • A. the spring tension
  • B. the rate of flux built up
  • C. armature core air gap
  • D. all of the above

Explanation

Relay speed is influenced by spring tension, the rate at which operating flux builds up, and the armature core air gap. These factors determine how quickly the relay develops sufficient operating force.

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