Power Electronics A triac is a ___________ switch None of these Bidirectional Unidirectional Mechanical None of these Bidirectional Unidirectional Mechanical ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The capacitance of reversed bised junction J2 in a thyristor is CJ2 = 20 pF and can be assumed to be independant of the off state voltage. The limiting value of the charging current to turn on the thyristor is 16 mA. What is the critical value of dv/dt? 600 V/µs. 1000 V/µs. 1200 V/µs. 800 V/µs. 600 V/µs. 1000 V/µs. 1200 V/µs. 800 V/µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. Not a thyristor None of these A four-terminal device Like a bidirectional SCR Not a thyristor None of these A four-terminal device Like a bidirectional SCR ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For an SCR gate cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance? 115 ohm 111.9 ohm 108 ohm 11.19 ohm 115 ohm 111.9 ohm 108 ohm 11.19 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is neither (A) nor (B). of short duration. both (A) and (B). of long period. neither (A) nor (B). of short duration. both (A) and (B). of long period. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics IGBT combines the advantages of BJTs and MOSFETs. BJTs and SITs. None of these. SITs and MOSFETs. BJTs and MOSFETs. BJTs and SITs. None of these. SITs and MOSFETs. ANSWER DOWNLOAD EXAMIANS APP