Electromagnetic Doorbell Components Quiz

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What is the primary function of the electromagnet in an electric bell?

To regulate the flow of electric current

To produce a ringing sound

To attract and vibrate the armature (correct)

To act as a contact switch

What is the purpose of the armature in an electric bell?

To act as a contact switch

To produce a ringing sound when struck

To carry the hammer and strike the gong (correct)

To regulate the flow of electric current

What is the role of the contact spring in an electric bell?

To connect and disconnect the circuit (correct)

To act as a magnet when the current flows

To regulate the flow of electric current

To produce a ringing sound when struck

What happens to the circuit when the armature moves towards the electromagnet?

The circuit becomes open Signup and view all the answers

What is the function of the adjusting screw in an electric bell?

To act as a contact switch Signup and view all the answers

What is the condition necessary for the electric current to flow in an electric bell?

There must be a complete circuit Signup and view all the answers

What happens when the electric current moves through the circuit in an electric bell?

The electromagnet becomes a magnet Signup and view all the answers

What is the purpose of the gong in an electric bell?

To produce a ringing sound when struck Signup and view all the answers

What is the role of the hammer in an electric bell?

To produce a ringing sound when it strikes the gong Signup and view all the answers

What is the path of the electric current in an electric bell?

From the binding post to the electromagnet, to the adjusting screw, to the contact spring, and to the other binding post Signup and view all the answers

Electromagnetic Doorbell Components Quiz

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Questions and Answers

What is the primary function of the electromagnet in an electric bell?

What is the purpose of the armature in an electric bell?

What is the role of the contact spring in an electric bell?

What happens to the circuit when the armature moves towards the electromagnet?

What is the function of the adjusting screw in an electric bell?

What is the condition necessary for the electric current to flow in an electric bell?

What happens when the electric current moves through the circuit in an electric bell?

What is the purpose of the gong in an electric bell?

What is the role of the hammer in an electric bell?

What is the path of the electric current in an electric bell?

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