8 Questions
What is the main focus of the text?
Discussing the types and applications of relays
What aspect is covered in the text regarding relays?
Principles of operation and construction
What is addressed in the text as a safety consideration when working with relays?
Safety precautions
What is the main function of a relay?
To control a circuit by an independent low-power signal
How are relays traditionally operated?
Using an electromagnet to close or open the contacts
Where were relays first used as signal repeaters?
In long-distance telegraph circuits
What is the purpose of using relays in controlling circuits?
To control a circuit by an independent low-power signal
How do relays differ from switches?
They are electrically operated
Test your knowledge of relays with this quiz covering the different types, applications, principles of operation, construction, and safety precautions when working with relays.
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