Podcast
Questions and Answers
It is a signal (such as a loud noise or flashing light)
that warns or alerts also : a device that signals.
It is a signal (such as a loud noise or flashing light) that warns or alerts also : a device that signals.
It ls an alarm device that produces an audible signal tone when electric energy is applied.
It ls an alarm device that produces an audible signal tone when electric energy is applied.
This is a screw that serves as a contact switch to the contact spring.
This is a screw that serves as a contact switch to the contact spring.
This is part from the gong and it produces a loud sound when struck by the hammer.
This is part from the gong and it produces a loud sound when struck by the hammer.
Signup and view all the answers
This is a magnetic wire wound on an insulated soft iron bolt. With the application of electric current, it
produces a strong magnetic attraction that attracts the armature
This is a magnetic wire wound on an insulated soft iron bolt. With the application of electric current, it produces a strong magnetic attraction that attracts the armature
Signup and view all the answers
• This is a small ball attached to the armature, which strikes the gong that produces audible sounds when electric current runs through the electromagnet.
• This is a small ball attached to the armature, which strikes the gong that produces audible sounds when electric current runs through the electromagnet.
Signup and view all the answers
