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In order to obtain static voltage equalization in series-connected SCRs, connections are made of
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- one resistor across the string
- resistors of different values across each SCR
- resistors of the same value across each SCR
- one resistor in series with the string.
Correct Option: C
For high voltage applications, two or more thyristors can be connected in series to provide the voltage rating. However, due to the production spread, the characteristics of thyristors of the same type are not identical.