Question

On automotive horns, when the electromagnet is turned on, the diaphragm is pulled by the armature toward the electromagnet; as this occurs, a ______ opens the contacts, allowing the diaphragm to spring back to its original position

Answer 1

As this occurs, an armature opens the contacts, allowing the diaphragm to spring back to its original position.

What is a Horn?

This is  referred to as a simple electromagnetic devices that produce loud, audible sounds to alert people etc.

The movement of the armature flexes the diaphragm which results in the opening of the electrical contacts which is how the horn works.

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