POWER ELECTRONICS QUIZ

 Low power current control.

 Low power phase control.

 High power current control.

  High power phase control.

 Anyone of these.

  Both A and B.

 Breakdown of J2 junction.

 Unwanted turn ON.

  both B and C.

 gate current rises from 90 % to 100 % of it final value.

 anode current rises 10 % to 90 % of its final value.

 anode voltage drops from 90 % to 10 % of its initial value.

  junction J1, J3 is in reverse bias and J2 is in forward bias.

 junction J2 is in reverse bias and J1, J3 is in forward bias.

 junction J1 and J2 is in forward bias and J3 is in reverse bias.

 junction J3 is in forward bias and J1, J2 in reverse bias.

  equal division of voltage across each thyristor.

 equal division of current through each thyristor in parallel.

 equal division of voltage across each thyristor in parallel.

 equal division of current through each thyristor in series.

 series R and diode with C across R.

 series R and diode with C across R.

  R and C in series but with diode across R.

 R and C in series but with diode across C.

 AC switch.

 Square wave switch.

 Both a and B.

  DC switch.

  76.3 %.

 90.9 %.

 91.6 %.

 83.3 %.

 infinity.

 moderate.

  low.

 high.

Four

Two

Three

None of these