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SCR is a __________ device.

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in Electric Drives by (99.8k points)
SCR is a  __________ device.

(a) Uncontrolled

(b) Semi-controlled

(c) Fully controlled

(d) Voltage

This question was addressed to me in an interview for internship.

I'd like to ask this question from Solid-State Devices topic in section Introduction to Solid-State Devices of Electric Drives

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The correct choice is (b) Semi-controlled

The best I can explain: The SCR is a semi-controlled device. Turn-on time can be controlled by using a gate pulse but commutation circuit is required to turn off the device.

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