Power Electronics Light triggering mainly used in high voltage direct current transmission. low - voltage direct current transmission. medium voltage direct current transmission. all of these. high voltage direct current transmission. low - voltage direct current transmission. medium voltage direct current transmission. all of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor string is made of a no. of SCR connected in series and parallel. The string have volume and current of 11 KV and 4 KA. The voltage and current rating of available SCRs are 1800 V and 1000 A. For a string efficiency of 90 % let the number of SCRs in series and parallel are a and b respectively. Then the value of a and b will be 6, 4. 7, 5. 4, 6. 5, 7. 6, 4. 7, 5. 4, 6. 5, 7. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During gate recovery time charge carrier of J1 junction removed. charge carriers of J3 junction is removed. charge carriers of J2 junction recombined. charge carriers of J2 junction is swept out. charge carrier of J1 junction removed. charge carriers of J3 junction is removed. charge carriers of J2 junction recombined. charge carriers of J2 junction is swept out. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the charging current. All of these. To minimize the discharging current. To minimize the loss . To minimize the charging current. All of these. To minimize the discharging current. To minimize the loss . ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ pn junctions Two Four None of these Three Two Four None of these Three ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thermal voltage VT can be given by (K2/q)(T + 1/T - 1). Kq/T. qT/K. KT/q. (K2/q)(T + 1/T - 1). Kq/T. qT/K. KT/q. ANSWER DOWNLOAD EXAMIANS APP
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