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Solid State Relays (SSRs) have a

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+1 vote
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in Power Electronics by (27.1k points)
Solid State Relays (SSRs) have a

(a) coil and contact arrangement

(b) optocoupler

(c) scr

(d) none of the mentioned

I had been asked this question by my school principal while I was bunking the class.

Question is taken from Miscellaneous in section Applications, Cycloconverters and  Miscellaneous of Power Electronics

1 Answer

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by (45.1k points)
Correct option is (b) optocoupler

For explanation: Coil and contact arrangement is used in mechanical relays, SSRs have a optocoupler which connects the control circuit to the power circuit via light sensitive devices.

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