Question
Download Solution PDFWhich of the following statements is true for solid state relay (SSR)?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is option 3):(SSR has no moving parts. )
Concept:
- A solid state relay is an electronic switching device that switches on or off when an external voltage (AC or DC) is applied across its control terminals.
- A Solid State Relay is a relay that does not have a moving contact.
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The input circuit consists of a LED which is triggered by the input voltage. Then, there is isolation between input and output circuits. The output circuit consists of a photo-coupler for capturing the light and converting it into electrical energy for the load drive circuit (consisting of either triaHc, diodes, transistors, or thyristors).The solid state device shown in figure
- Hence option 3 is correct
Last updated on May 9, 2025
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