Power Electronics
Practical way of obtaining static voltage equalization in series connected SCRs is by the use of

  resistors of the same value across each SCR.
 resistors of different values across each SCR.
 one resistor in series with each SCR.
 one resistor across the string.

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Power Electronics
SCR will be turned off when anode current is

  < latching current but greater than holding current and gate signal is 0.
 < latching current but greater than holding current and gate signal is present.
 less than holding current.
  both (A) and (B).

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Power Electronics
During gate recovery time

 charge carriers of J3 junction is removed.
 charge carrier of J1 junction removed.
  charge carriers of J2 junction recombined.
 charge carriers of J2 junction is swept out.

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